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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1946 | 3 |
| 1947 | 8 |
| 1948 | 11 |
| 1949 | 8 |
| 1957 | 7 |
| 1958 | 9 |
| 1959 | 40 |
| 1960 | 63 |
| 1961 | 75 |
| 1962 | 60 |
| 1964 | 7 |
| 1965 | 1 |
| 1966 | 11 |
| 1967 | 50 |
| 1968 | 111 |
| 1969 | 124 |
| 1970 | 82 |
| 1971 | 94 |
| 1972 | 118 |
| 1973 | 137 |
| 1974 | 171 |
| 1975 | 129 |
| 1976 | 127 |
| 1977 | 148 |
| 1978 | 187 |
| 1979 | 199 |
| 1980 | 206 |
| 1981 | 153 |
| 1982 | 163 |
| 1983 | 168 |
| 1984 | 200 |
| 1985 | 219 |
| 1986 | 213 |
| 1987 | 220 |
| 1988 | 225 |
| 1989 | 281 |
| 1990 | 379 |
| 1991 | 512 |
| 1992 | 604 |
| 1993 | 661 |
| 1994 | 579 |
| 1995 | 517 |
| 1996 | 482 |
| 1997 | 560 |
| 1998 | 598 |
| 1999 | 598 |
| 2000 | 637 |
| 2001 | 641 |
| 2002 | 839 |
| 2003 | 955 |
| 2004 | 975 |
| 2005 | 906 |
| 2006 | 971 |
| 2007 | 998 |
| 2008 | 1109 |
| 2009 | 1202 |
| 2010 | 1304 |
| 2011 | 1433 |
| 2012 | 1625 |
| 2013 | 1694 |
| 2014 | 1822 |
| 2015 | 1847 |
| 2016 | 1613 |
| 2017 | 1890 |
| 2018 | 2164 |
| 2019 | 2367 |
| 2020 | 2105 |
| 2021 | 1164 |
| 2022 | 140 |
| 2023 | 154 |
| 2024 | 1502 |
| 2025 | 1085 |