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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1965 | 1 |
| 1966 | 6 |
| 1967 | 5 |
| 1968 | 8 |
| 1969 | 13 |
| 1970 | 11 |
| 1971 | 13 |
| 1972 | 11 |
| 1973 | 15 |
| 1974 | 23 |
| 1975 | 22 |
| 1976 | 18 |
| 1977 | 20 |
| 1978 | 21 |
| 1979 | 36 |
| 1980 | 37 |
| 1981 | 34 |
| 1982 | 43 |
| 1983 | 63 |
| 1984 | 59 |
| 1985 | 54 |
| 1986 | 47 |
| 1987 | 54 |
| 1988 | 53 |
| 1989 | 36 |
| 1990 | 52 |
| 1991 | 69 |
| 1992 | 70 |
| 1993 | 71 |
| 1994 | 58 |
| 1995 | 58 |
| 1996 | 84 |
| 1997 | 81 |
| 1998 | 88 |
| 1999 | 75 |
| 2000 | 95 |
| 2001 | 65 |
| 2002 | 72 |
| 2003 | 76 |
| 2004 | 83 |
| 2005 | 95 |
| 2006 | 97 |
| 2007 | 89 |
| 2008 | 104 |
| 2009 | 96 |
| 2010 | 137 |
| 2011 | 131 |
| 2012 | 133 |
| 2013 | 151 |
| 2014 | 174 |
| 2015 | 179 |
| 2016 | 204 |
| 2017 | 228 |
| 2018 | 235 |
| 2019 | 194 |
| 2020 | 114 |
| 2021 | 69 |
| 2022 | 8 |
| 2023 | 13 |
| 2024 | 78 |
| 2025 | 82 |