diff --git a/visualization/data/populations.csv b/visualization/data/populations.csv
index eb5056f64062a4f8614960ff3b8295bafe9a97f7..e98de9060eae75757162480edbe3dcc11600b48b 100644
--- a/visualization/data/populations.csv
+++ b/visualization/data/populations.csv
@@ -1,67 +1,67 @@
 ,Year,Belgium,Denmark,Netherlands,Sweden
-0,1950,17.278599999999997,8.5627,20.2273,14.0332
-1,1951,17.3564,8.607399999999998,20.528799999999997,14.140799999999999
-2,1952,17.4608,8.6676,20.7642,14.248899999999999
-3,1953,17.555500000000002,8.7386,20.986,14.3429
-4,1954,17.6388,8.811399999999999,21.2307,14.4272
-5,1955,17.7367,8.8784,21.5018,14.5247
-6,1956,17.8477,8.9328,21.7792,14.6314
-7,1957,17.9787,8.9757,22.0527,14.734300000000001
-8,1958,18.1051,9.0302,22.373600000000003,14.8306
-9,1959,18.2072,9.0932,22.6954,14.907499999999999
-10,1960,18.2376,9.1621,22.973399999999998,14.9607
-11,1961,18.331699999999998,9.2338,23.2775,15.0413
-12,1962,18.436799999999998,9.2939,23.6113,15.1232
-13,1963,18.566200000000002,9.3672,23.931600000000003,15.2087
-14,1964,18.7339,9.4404,24.2543,15.3228
-15,1965,18.896,9.516200000000001,24.5893,15.4678
-16,1966,19.015700000000002,9.595,24.9128,15.6157
-17,1967,19.1129,9.6775,25.1965,15.7355
-18,1968,19.179699999999997,9.729700000000001,25.4594,15.8246
-19,1969,19.2252,9.781500000000001,25.7561,15.936
-20,1970,19.275399999999998,9.8576,26.076999999999998,16.085700000000003
-21,1971,19.346600000000002,9.901399999999999,26.3891,16.1967
-22,1972,19.4222,9.9512,26.6567,16.2449
-23,1973,19.4836,10.0152,26.8784,16.2738
-24,1974,19.5131,10.0905,27.0903,16.320700000000002
-25,1975,19.6017,10.108799999999999,27.3328,16.3854
-26,1976,19.6363,10.1451,27.548000000000002,16.4448
-27,1977,19.660600000000002,10.1766,27.7125,16.502899999999997
-28,1978,19.674599999999998,10.2087,27.8837,16.5517
-29,1979,19.6968,10.2336,28.0765,16.587400000000002
-30,1980,19.7103,10.245999999999999,28.2994,16.6209
-31,1981,19.6976,10.243400000000001,28.4942,16.641
-32,1982,19.714599999999997,10.2355,28.625500000000002,16.6503
-33,1983,19.716,10.2286,28.7339,16.658
-34,1984,19.706,10.2232,28.848399999999998,16.6732
-35,1985,19.7165,10.2274,28.9833,16.7008
-36,1986,19.729599999999998,10.2408,29.144199999999998,16.7396
-37,1987,19.7404,10.254,29.3305,16.795699999999997
-38,1988,19.8034,10.2586,29.5202,16.873
-39,1989,19.8754,10.2646,29.698,16.9859
-40,1990,19.934800000000003,10.2798,29.903,17.1173
-41,1991,20.0092,10.3081,30.1391,17.2273
-42,1992,20.0903,10.3404,30.3681,17.3364
-43,1993,20.1674,10.378499999999999,30.5811,17.4373
-44,1994,20.230800000000002,10.4101,30.7657,17.5621
-45,1995,20.2735,10.4558,30.9179,17.654
-46,1996,20.313285999999998,10.523299999999999,31.061,17.6821
-47,1997,20.340452,10.5686,31.2216,17.6925
-48,1998,20.406016,10.602599999999999,31.4146,17.702399999999997
-49,1999,20.452844,10.63822,31.624,17.716102
-50,2000,20.502511,10.674688,31.851039,17.744588
-51,2001,20.573149,10.710163999999999,32.092372999999995,17.792254
-52,2002,20.665584000000003,10.74851,32.297866,17.849916
-53,2003,20.752265,10.774348,32.450617,17.916458
-54,2004,20.842273,10.802354000000001,32.563558,17.987062
-55,2005,20.957247000000002,10.831956,32.64002,18.059144
-56,2006,21.0959255,10.869133999999999,32.692484,18.161009
-57,2007,21.251411,10.91483,32.763406,18.296198
-58,2008,21.419958,10.978044,32.891203000000004,18.439287
-59,2009,21.592997,11.038882000000001,33.060784999999996,18.597040999999997
-60,2010,21.67981,11.087638,33.230799000000005,18.756252
-61,2011,22.001275999999997,11.133712,33.386160000000004,18.898439
-62,2012,22.189700000000002,11.17417,33.509935999999996,19.038762
-63,2013,22.356872,11.217568,33.608877,19.200757
-64,2014,22.454566,11.279437999999999,33.608877,19.392219
-65,2015,,,33.879855,19.392219
+0,1950,8.6393,4.28135,10.11365,7.0166
+1,1951,8.6782,4.3037,10.2644,7.0704
+2,1952,8.7304,4.3338,10.3821,7.12445
+3,1953,8.77775,4.3693,10.493,7.17145
+4,1954,8.8194,4.4057,10.61535,7.2136
+5,1955,8.86835,4.4392,10.7509,7.26235
+6,1956,8.92385,4.4664,10.8896,7.3157
+7,1957,8.98935,4.48785,11.02635,7.36715
+8,1958,9.05255,4.5151,11.1868,7.4153
+9,1959,9.1036,4.5466,11.3477,7.45375
+10,1960,9.1188,4.58105,11.4867,7.48035
+11,1961,9.16585,4.6169,11.63875,7.52065
+12,1962,9.2184,4.64695,11.80565,7.5616
+13,1963,9.2831,4.6836,11.9658,7.60435
+14,1964,9.36695,4.7202,12.12715,7.6614
+15,1965,9.448,4.7581,12.29465,7.7339
+16,1966,9.50785,4.7975,12.4564,7.80785
+17,1967,9.55645,4.83875,12.59825,7.86775
+18,1968,9.58985,4.86485,12.7297,7.9123
+19,1969,9.6126,4.89075,12.87805,7.968
+20,1970,9.6377,4.9288,13.0385,8.04285
+21,1971,9.6733,4.9507,13.19455,8.09835
+22,1972,9.7111,4.9756,13.32835,8.12245
+23,1973,9.7418,5.0076,13.4392,8.1369
+24,1974,9.75655,5.04525,13.54515,8.16035
+25,1975,9.80085,5.0544,13.6664,8.1927
+26,1976,9.81815,5.07255,13.774,8.2224
+27,1977,9.8303,5.0883,13.85625,8.25145
+28,1978,9.8373,5.10435,13.94185,8.27585
+29,1979,9.8484,5.1168,14.03825,8.2937
+30,1980,9.85515,5.123,14.1497,8.31045
+31,1981,9.8488,5.1217,14.2471,8.3205
+32,1982,9.8573,5.11775,14.31275,8.32515
+33,1983,9.858,5.1143,14.36695,8.329
+34,1984,9.853,5.1116,14.4242,8.3366
+35,1985,9.85825,5.1137,14.49165,8.3504
+36,1986,9.8648,5.1204,14.5721,8.3698
+37,1987,9.8702,5.127,14.66525,8.39785
+38,1988,9.9017,5.1293,14.7601,8.4365
+39,1989,9.9377,5.1323,14.849,8.49295
+40,1990,9.9674,5.1399,14.9515,8.55865
+41,1991,10.0046,5.15405,15.06955,8.61365
+42,1992,10.04515,5.1702,15.18405,8.6682
+43,1993,10.0837,5.18925,15.29055,8.71865
+44,1994,10.1154,5.20505,15.38285,8.78105
+45,1995,10.13675,5.2279,15.45895,8.827
+46,1996,10.156643,5.26165,15.5305,8.84105
+47,1997,10.170226,5.2843,15.6108,8.84625
+48,1998,10.203008,5.3013,15.7073,8.8512
+49,1999,10.226422,5.31911,15.812,8.858051
+50,2000,10.2512555,5.337344,15.9255195,8.872294
+51,2001,10.2865745,5.355082,16.0461865,8.896127
+52,2002,10.332792,5.374255,16.148933,8.924958
+53,2003,10.3761325,5.387174,16.2253085,8.958229
+54,2004,10.4211365,5.401177,16.281779,8.993531
+55,2005,10.4786235,5.415978,16.32001,9.029572
+56,2006,10.54796275,5.434567,16.346242,9.0805045
+57,2007,10.6257055,5.457415,16.381703,9.148099
+58,2008,10.709979,5.489022,16.4456015,9.2196435
+59,2009,10.7964985,5.519441,16.5303925,9.2985205
+60,2010,10.839905,5.543819,16.6153995,9.378126
+61,2011,11.000638,5.566856,16.69308,9.4492195
+62,2012,11.09485,5.587085,16.754968,9.519381
+63,2013,11.178436,5.608784,16.8044385,9.6003785
+64,2014,11.227283,5.639719,16.8044385,9.6961095
+65,2015,,,16.9399275,9.6961095