diff --git a/visualization/data/populations.csv b/visualization/data/populations.csv
index 4db893fc3443b8a26215f23b8271957da670e3d2..63e76372fe9ad0f9d934e71e2028de6f39a3247c 100644
--- a/visualization/data/populations.csv
+++ b/visualization/data/populations.csv
@@ -1,67 +1,67 @@
-Index,Year,Belgium,Denmark,Netherlands,Sweden
-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
+Year,Belgium,Denmark,Netherlands,Sweden
+1950,8.6393,4.28135,10.11365,7.0166
+1951,8.6782,4.3037,10.2644,7.0704
+1952,8.7304,4.3338,10.3821,7.12445
+1953,8.77775,4.3693,10.493,7.17145
+1954,8.8194,4.4057,10.61535,7.2136
+1955,8.86835,4.4392,10.7509,7.26235
+1956,8.92385,4.4664,10.8896,7.3157
+1957,8.98935,4.48785,11.02635,7.36715
+1958,9.05255,4.5151,11.1868,7.4153
+1959,9.1036,4.5466,11.3477,7.45375
+1960,9.1188,4.58105,11.4867,7.48035
+1961,9.16585,4.6169,11.63875,7.52065
+1962,9.2184,4.64695,11.80565,7.5616
+1963,9.2831,4.6836,11.9658,7.60435
+1964,9.36695,4.7202,12.12715,7.6614
+1965,9.448,4.7581,12.29465,7.7339
+1966,9.50785,4.7975,12.4564,7.80785
+1967,9.55645,4.83875,12.59825,7.86775
+1968,9.58985,4.86485,12.7297,7.9123
+1969,9.6126,4.89075,12.87805,7.968
+1970,9.6377,4.9288,13.0385,8.04285
+1971,9.6733,4.9507,13.19455,8.09835
+1972,9.7111,4.9756,13.32835,8.12245
+1973,9.7418,5.0076,13.4392,8.1369
+1974,9.75655,5.04525,13.54515,8.16035
+1975,9.80085,5.0544,13.6664,8.1927
+1976,9.81815,5.07255,13.774,8.2224
+1977,9.8303,5.0883,13.85625,8.25145
+1978,9.8373,5.10435,13.94185,8.27585
+1979,9.8484,5.1168,14.03825,8.2937
+1980,9.85515,5.123,14.1497,8.31045
+1981,9.8488,5.1217,14.2471,8.3205
+1982,9.8573,5.11775,14.31275,8.32515
+1983,9.858,5.1143,14.36695,8.329
+1984,9.853,5.1116,14.4242,8.3366
+1985,9.85825,5.1137,14.49165,8.3504
+1986,9.8648,5.1204,14.5721,8.3698
+1987,9.8702,5.127,14.66525,8.39785
+1988,9.9017,5.1293,14.7601,8.4365
+1989,9.9377,5.1323,14.849,8.49295
+1990,9.9674,5.1399,14.9515,8.55865
+1991,10.0046,5.15405,15.06955,8.61365
+1992,10.04515,5.1702,15.18405,8.6682
+1993,10.0837,5.18925,15.29055,8.71865
+1994,10.1154,5.20505,15.38285,8.78105
+1995,10.13675,5.2279,15.45895,8.827
+1996,10.156643,5.26165,15.5305,8.84105
+1997,10.170226,5.2843,15.6108,8.84625
+1998,10.203008,5.3013,15.7073,8.8512
+1999,10.226422,5.31911,15.812,8.858051
+2000,10.2512555,5.337344,15.9255195,8.872294
+2001,10.2865745,5.355082,16.0461865,8.896127
+2002,10.332792,5.374255,16.148933,8.924958
+2003,10.3761325,5.387174,16.2253085,8.958229
+2004,10.4211365,5.401177,16.281779,8.993531
+2005,10.4786235,5.415978,16.32001,9.029572
+2006,10.54796275,5.434567,16.346242,9.0805045
+2007,10.6257055,5.457415,16.381703,9.148099
+2008,10.709979,5.489022,16.4456015,9.2196435
+2009,10.7964985,5.519441,16.5303925,9.2985205
+2010,10.839905,5.543819,16.6153995,9.378126
+2011,11.000638,5.566856,16.69308,9.4492195
+2012,11.09485,5.587085,16.754968,9.519381
+2013,11.178436,5.608784,16.8044385,9.6003785
+2014,11.227283,5.639719,16.8044385,9.6961095
+2015,,,16.9399275,9.6961095