Année de l'acquisition
Coefficient à appliquer
1920
637,086
1921
709,787
1922
750,346
1923
687,090
1924
598,377
1925
557,451
1926
422,070
1927
398,582
1928
404,724
1929
380,610
1930
382,458
1931
388,110
1932
432,892
1933
454,537
1934
481,383
1935
537,180
1936
492,415
1937
386,840
1938
334,786
1939
309,776
1940
260,021
1941
222,560
1942
190,920
1943
149,784
1944
117,416
1945
85,082
1946
51,913
1947
32,498
1948
20,501
1949
19,980
1950
17,967
1951
15,357
1952
13,741
1953
13,903
1954
13,943
1955
13,788
1956
13,527
1957
13,173
1958
11,444
1959
10,782
1960
10,403
1961
10,072
1962
9,610
1963
9,168
1964
8,864
1965
8,648
1966
8,421
1967
8,198
1968
7,843
1969
7,368
1970
7,003
1971
6,638
1972
6,253
1973
5,826
1974
5,123
1975
4,583
1976
4,181
1977
3,823
1978
3,505
1979
3,165
1980
2,787
1981
2,459
1982
2,198
1983
2,008
1984
1,865
1985
1,760
1986
1,717
1987
1,663
1988
1,621
1989
1,567
1990
1,515
1991
1,468
1992
1,435
1993
1,409
1994
1,390
1995
1,367
1996
1,342
1997
1,328
1998
1,320
1999
1,313
2000
1,293
2001
1,273
2002
1,250
2003
1,228
2004
1,208
2005
1,187
2006
1,167
2007
1,150
2008
1,119
2009
1,118
2010
1,102
2011
1,080
2012
1,060
2013
1,052
2014
1,048
2015
1,047
2016
1,046
2017
1,035
2018
1,019
2019
1,010
2020
1.000