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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1938 | 1 |
| 1942 | 2 |
| 1943 | 1 |
| 1944 | 4 |
| 1945 | 20 |
| 1946 | 127 |
| 1947 | 93 |
| 1948 | 87 |
| 1949 | 92 |
| 1950 | 73 |
| 1951 | 116 |
| 1952 | 144 |
| 1953 | 148 |
| 1954 | 194 |
| 1955 | 158 |
| 1956 | 145 |
| 1957 | 202 |
| 1958 | 166 |
| 1959 | 169 |
| 1960 | 200 |
| 1961 | 232 |
| 1962 | 224 |
| 1963 | 355 |
| 1964 | 594 |
| 1965 | 800 |
| 1966 | 713 |
| 1967 | 1051 |
| 1968 | 1615 |
| 1969 | 1668 |
| 1970 | 1878 |
| 1971 | 2371 |
| 1972 | 2871 |
| 1973 | 3278 |
| 1974 | 3512 |
| 1975 | 3441 |
| 1976 | 3492 |
| 1977 | 3856 |
| 1978 | 4046 |
| 1979 | 4157 |
| 1980 | 3925 |
| 1981 | 3537 |
| 1982 | 3910 |
| 1983 | 3917 |
| 1984 | 4176 |
| 1985 | 4364 |
| 1986 | 4491 |
| 1987 | 4687 |
| 1988 | 5346 |
| 1989 | 6074 |
| 1990 | 6916 |
| 1991 | 7725 |
| 1992 | 8005 |
| 1993 | 8760 |
| 1994 | 8968 |
| 1995 | 9210 |
| 1996 | 9831 |
| 1997 | 11033 |
| 1998 | 11753 |
| 1999 | 12602 |
| 2000 | 12781 |
| 2001 | 13735 |
| 2002 | 14604 |
| 2003 | 16594 |
| 2004 | 18356 |
| 2005 | 20059 |
| 2006 | 22064 |
| 2007 | 23502 |
| 2008 | 24532 |
| 2009 | 25298 |
| 2010 | 27176 |
| 2011 | 27254 |
| 2012 | 28843 |
| 2013 | 30718 |
| 2014 | 31675 |
| 2015 | 32388 |
| 2016 | 31548 |
| 2017 | 31618 |
| 2018 | 32514 |
| 2019 | 32313 |
| 2020 | 28818 |
| 2021 | 22163 |
| 2022 | 16268 |
| 2023 | 14221 |
| 2024 | 25597 |
| 2025 | 16938 |