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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1964 | 1 |
| 1965 | 6 |
| 1966 | 22 |
| 1967 | 29 |
| 1968 | 40 |
| 1969 | 51 |
| 1970 | 71 |
| 1971 | 65 |
| 1972 | 60 |
| 1973 | 48 |
| 1974 | 59 |
| 1975 | 85 |
| 1976 | 84 |
| 1977 | 74 |
| 1978 | 94 |
| 1979 | 108 |
| 1980 | 86 |
| 1981 | 97 |
| 1982 | 128 |
| 1983 | 115 |
| 1984 | 140 |
| 1985 | 119 |
| 1986 | 141 |
| 1987 | 138 |
| 1988 | 103 |
| 1989 | 152 |
| 1990 | 163 |
| 1991 | 152 |
| 1992 | 169 |
| 1993 | 168 |
| 1994 | 175 |
| 1995 | 165 |
| 1996 | 178 |
| 1997 | 157 |
| 1998 | 174 |
| 1999 | 166 |
| 2000 | 217 |
| 2001 | 241 |
| 2002 | 277 |
| 2003 | 295 |
| 2004 | 318 |
| 2005 | 348 |
| 2006 | 353 |
| 2007 | 380 |
| 2008 | 390 |
| 2009 | 469 |
| 2010 | 600 |
| 2011 | 690 |
| 2012 | 785 |
| 2013 | 829 |
| 2014 | 948 |
| 2015 | 1022 |
| 2016 | 966 |
| 2017 | 1172 |
| 2018 | 1081 |
| 2019 | 1144 |
| 2020 | 1352 |
| 2021 | 1306 |
| 2022 | 1059 |
| 2023 | 1010 |
| 2024 | 1200 |
| 2025 | 700 |
| 2026 | 1 |