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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1958 | 1 |
| 1960 | 12 |
| 1961 | 2 |
| 1962 | 6 |
| 1963 | 8 |
| 1964 | 16 |
| 1965 | 19 |
| 1966 | 25 |
| 1967 | 36 |
| 1968 | 28 |
| 1969 | 34 |
| 1970 | 36 |
| 1971 | 65 |
| 1972 | 58 |
| 1973 | 73 |
| 1974 | 60 |
| 1975 | 46 |
| 1976 | 56 |
| 1977 | 55 |
| 1978 | 62 |
| 1979 | 50 |
| 1980 | 34 |
| 1981 | 38 |
| 1982 | 38 |
| 1983 | 56 |
| 1984 | 51 |
| 1985 | 59 |
| 1986 | 51 |
| 1987 | 57 |
| 1988 | 40 |
| 1989 | 70 |
| 1990 | 59 |
| 1991 | 61 |
| 1992 | 66 |
| 1993 | 81 |
| 1994 | 85 |
| 1995 | 111 |
| 1996 | 110 |
| 1997 | 107 |
| 1998 | 140 |
| 1999 | 135 |
| 2000 | 159 |
| 2001 | 157 |
| 2002 | 169 |
| 2003 | 226 |
| 2004 | 218 |
| 2005 | 196 |
| 2006 | 178 |
| 2007 | 183 |
| 2008 | 206 |
| 2009 | 254 |
| 2010 | 295 |
| 2011 | 345 |
| 2012 | 402 |
| 2013 | 422 |
| 2014 | 433 |
| 2015 | 456 |
| 2016 | 463 |
| 2017 | 462 |
| 2018 | 557 |
| 2019 | 652 |
| 2020 | 787 |
| 2021 | 729 |
| 2022 | 752 |
| 2023 | 671 |
| 2024 | 279 |