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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1958 | 3 |
| 1959 | 3 |
| 1960 | 5 |
| 1961 | 8 |
| 1962 | 6 |
| 1964 | 5 |
| 1965 | 16 |
| 1966 | 44 |
| 1967 | 51 |
| 1968 | 86 |
| 1969 | 70 |
| 1970 | 81 |
| 1971 | 87 |
| 1972 | 80 |
| 1973 | 94 |
| 1974 | 95 |
| 1975 | 76 |
| 1976 | 77 |
| 1977 | 89 |
| 1978 | 113 |
| 1979 | 136 |
| 1980 | 140 |
| 1981 | 123 |
| 1982 | 128 |
| 1983 | 138 |
| 1984 | 136 |
| 1985 | 137 |
| 1986 | 126 |
| 1987 | 111 |
| 1988 | 139 |
| 1989 | 116 |
| 1990 | 169 |
| 1991 | 170 |
| 1992 | 193 |
| 1993 | 158 |
| 1994 | 233 |
| 1995 | 224 |
| 1996 | 231 |
| 1997 | 242 |
| 1998 | 284 |
| 1999 | 253 |
| 2000 | 250 |
| 2001 | 256 |
| 2002 | 320 |
| 2003 | 284 |
| 2004 | 265 |
| 2005 | 310 |
| 2006 | 293 |
| 2007 | 342 |
| 2008 | 375 |
| 2009 | 377 |
| 2010 | 418 |
| 2011 | 489 |
| 2012 | 481 |
| 2013 | 565 |
| 2014 | 555 |
| 2015 | 587 |
| 2016 | 666 |
| 2017 | 718 |
| 2018 | 712 |
| 2019 | 663 |
| 2020 | 744 |
| 2021 | 803 |
| 2022 | 689 |
| 2023 | 623 |
| 2024 | 182 |