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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1963 | 1 |
| 1965 | 1 |
| 1966 | 5 |
| 1967 | 18 |
| 1968 | 20 |
| 1969 | 25 |
| 1970 | 17 |
| 1971 | 22 |
| 1972 | 27 |
| 1973 | 22 |
| 1974 | 40 |
| 1975 | 40 |
| 1976 | 35 |
| 1977 | 49 |
| 1978 | 32 |
| 1979 | 59 |
| 1980 | 53 |
| 1981 | 49 |
| 1982 | 47 |
| 1983 | 76 |
| 1984 | 78 |
| 1985 | 65 |
| 1986 | 79 |
| 1987 | 63 |
| 1988 | 78 |
| 1989 | 106 |
| 1990 | 92 |
| 1991 | 81 |
| 1992 | 78 |
| 1993 | 89 |
| 1994 | 99 |
| 1995 | 75 |
| 1996 | 116 |
| 1997 | 75 |
| 1998 | 80 |
| 1999 | 101 |
| 2000 | 88 |
| 2001 | 108 |
| 2002 | 125 |
| 2003 | 142 |
| 2004 | 143 |
| 2005 | 150 |
| 2006 | 147 |
| 2007 | 192 |
| 2008 | 205 |
| 2009 | 212 |
| 2010 | 225 |
| 2011 | 266 |
| 2012 | 344 |
| 2013 | 416 |
| 2014 | 436 |
| 2015 | 363 |
| 2016 | 350 |
| 2017 | 386 |
| 2018 | 383 |
| 2019 | 359 |
| 2020 | 357 |
| 2021 | 237 |
| 2022 | 37 |
| 2023 | 49 |
| 2024 | 539 |
| 2025 | 526 |