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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1952 | 2 |
| 1953 | 3 |
| 1957 | 2 |
| 1958 | 1 |
| 1959 | 3 |
| 1960 | 2 |
| 1961 | 6 |
| 1962 | 3 |
| 1965 | 1 |
| 1966 | 3 |
| 1967 | 4 |
| 1968 | 12 |
| 1969 | 8 |
| 1970 | 13 |
| 1971 | 8 |
| 1972 | 9 |
| 1973 | 7 |
| 1974 | 5 |
| 1975 | 7 |
| 1976 | 4 |
| 1977 | 9 |
| 1978 | 5 |
| 1979 | 6 |
| 1980 | 6 |
| 1981 | 11 |
| 1982 | 8 |
| 1983 | 12 |
| 1984 | 19 |
| 1985 | 19 |
| 1986 | 27 |
| 1987 | 33 |
| 1988 | 10 |
| 1989 | 27 |
| 1990 | 43 |
| 1991 | 60 |
| 1992 | 58 |
| 1993 | 86 |
| 1994 | 78 |
| 1995 | 86 |
| 1996 | 71 |
| 1997 | 100 |
| 1998 | 90 |
| 1999 | 123 |
| 2000 | 107 |
| 2001 | 88 |
| 2002 | 109 |
| 2003 | 122 |
| 2004 | 115 |
| 2005 | 132 |
| 2006 | 193 |
| 2007 | 167 |
| 2008 | 173 |
| 2009 | 182 |
| 2010 | 259 |
| 2011 | 254 |
| 2012 | 313 |
| 2013 | 311 |
| 2014 | 334 |
| 2015 | 402 |
| 2016 | 450 |
| 2017 | 444 |
| 2018 | 451 |
| 2019 | 512 |
| 2020 | 700 |
| 2021 | 794 |
| 2022 | 976 |
| 2023 | 948 |
| 2024 | 979 |
| 2025 | 642 |