1818
1821
1830
1840
1850
1860
1870
1880
1890
1900
1910 |
13.4
14.0
15.6
16.7
17.5
18.7
20.3
21.9
23.6
25.8
28.2 |
1920
1930
1940
1950
1960
1970
1980
1990
2000
2010
2020 |
6.5
6.7
6.7
6.9
7.1
7.5
7.6
7.7
8.0
8.4
8.9 |
895
1241
1242
ca 1500
1700
1800
1850
1857
1869
1880
1890
1900 |
0.4
1.0
0.5
4.0
3.0
8.0
13.2
14.3
15.5
15.7
17.6
19.3 |
1910
1920
1930
1940
1950
1960
1970
1980
1990
2000
2010
2020 |
20.9
8.0
8.7
9.3
9.3
10.0
10.3
10.7
10.4
10.2
10.0
9.8 |