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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1946 | 1 |
| 1947 | 4 |
| 1949 | 2 |
| 1950 | 3 |
| 1951 | 9 |
| 1952 | 15 |
| 1953 | 12 |
| 1954 | 9 |
| 1955 | 8 |
| 1956 | 13 |
| 1957 | 14 |
| 1958 | 20 |
| 1959 | 13 |
| 1960 | 11 |
| 1961 | 11 |
| 1962 | 14 |
| 1963 | 6 |
| 1964 | 16 |
| 1965 | 10 |
| 1967 | 1 |
| 1968 | 1 |
| 1970 | 1 |
| 1971 | 1 |
| 1972 | 17 |
| 1973 | 57 |
| 1974 | 53 |
| 1975 | 78 |
| 1976 | 57 |
| 1977 | 53 |
| 1978 | 54 |
| 1979 | 101 |
| 1980 | 147 |
| 1981 | 141 |
| 1982 | 117 |
| 1983 | 114 |
| 1984 | 137 |
| 1985 | 155 |
| 1986 | 216 |
| 1987 | 279 |
| 1988 | 307 |
| 1989 | 353 |
| 1990 | 342 |
| 1991 | 468 |
| 1992 | 605 |
| 1993 | 585 |
| 1994 | 627 |
| 1995 | 608 |
| 1996 | 602 |
| 1997 | 611 |
| 1998 | 609 |
| 1999 | 580 |
| 2000 | 622 |
| 2001 | 650 |
| 2002 | 661 |
| 2003 | 756 |
| 2004 | 856 |
| 2005 | 772 |
| 2006 | 780 |
| 2007 | 878 |
| 2008 | 889 |
| 2009 | 947 |
| 2010 | 940 |
| 2011 | 1058 |
| 2012 | 1136 |
| 2013 | 1159 |
| 2014 | 1267 |
| 2015 | 1277 |
| 2016 | 1283 |
| 2017 | 1207 |
| 2018 | 1201 |
| 2019 | 1170 |
| 2020 | 874 |
| 2021 | 541 |
| 2022 | 173 |
| 2023 | 114 |
| 2024 | 37 |