Number of balance sheet by year
| YEAR | NUMBER |
|---|---|
| 1894 | 1 |
| 1895 | 4 |
| 1896 | 4 |
| 1897 | 4 |
| 1898 | 4 |
| 1899 | 4 |
| 1900 | 73 |
| 1901 | 97 |
| 1902 | 100 |
| 1903 | 232 |
| 1904 | 266 |
| 1905 | 351 |
| 1906 | 497 |
| 1907 | 673 |
| 1908 | 927 |
| 1909 | 1.021 |
| 1910 | 1.077 |
| 1911 | 1.147 |
| 1912 | 1.242 |
| 1913 | 1.428 |
| 1914 | 1.383 |
| 1915 | 1.455 |
| 1916 | 1.537 |
| 1917 | 1.642 |
| 1918 | 1.493 |
| 1919 | 1.786 |
| 1920 | 2.162 |
| 1921 | 2.594 |
| 1922 | 2.964 |
| 1923 | 2.519 |
| 1924 | 2.847 |
| 1925 | 3.227 |
| 1926 | 3.675 |
| 1927 | 3.98 |
| 1928 | 3.907 |
| 1929 | 4.194 |
| 1930 | 3.76 |
| 1931 | 3.859 |
| 1932 | 3.471 |
| 1933 | 3.539 |
| 1934 | 3.16 |
| 1935 | 3.295 |
| 1936 | 3.467 |
| 1937 | 3.161 |
| 1938 | 3.428 |
| 1939 | 3.443 |
| 1940 | 186 |
| 1941 | 7 |
| 1942 | 7 |
| 1943 | 7 |
| 1944 | 7 |
| 1945 | 9 |
| 1946 | 1.624 |
| 1947 | 1.952 |
| 1948 | 3.546 |
| 1949 | 3.665 |
| 1950 | 4.066 |
| 1951 | 4.386 |
| 1952 | 5.348 |
| 1953 | 4.186 |
| 1954 | 4.526 |
| 1955 | 4.809 |
| 1956 | 3.899 |
| 1957 | 4.609 |
| 1958 | 4.713 |
| 1959 | 5.279 |
| 1960 | 5.678 |
| 1961 | 4.635 |
| 1962 | 5.859 |
| 1963 | 5.971 |
| 1964 | 6.257 |
| 1965 | 7.235 |
| 1966 | 6.939 |
| 1967 | 7.143 |
| 1968 | 8.474 |
| 1969 | 8.556 |
| 1970 | 8.927 |
| 1971 | 9.111 |
| 1972 | 477 |
| 1981 | 5.274 |
| 1982 | 5.384 |