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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1963 | 1 |
| 1964 | 2 |
| 1965 | 40 |
| 1966 | 82 |
| 1967 | 83 |
| 1968 | 93 |
| 1969 | 119 |
| 1970 | 131 |
| 1971 | 134 |
| 1972 | 151 |
| 1973 | 153 |
| 1974 | 147 |
| 1975 | 154 |
| 1976 | 179 |
| 1977 | 121 |
| 1978 | 166 |
| 1979 | 204 |
| 1980 | 161 |
| 1981 | 193 |
| 1982 | 187 |
| 1983 | 216 |
| 1984 | 182 |
| 1985 | 206 |
| 1986 | 206 |
| 1987 | 182 |
| 1988 | 184 |
| 1989 | 249 |
| 1990 | 214 |
| 1991 | 184 |
| 1992 | 183 |
| 1993 | 153 |
| 1994 | 195 |
| 1995 | 188 |
| 1996 | 195 |
| 1997 | 179 |
| 1998 | 175 |
| 1999 | 167 |
| 2000 | 183 |
| 2001 | 203 |
| 2002 | 208 |
| 2003 | 306 |
| 2004 | 297 |
| 2005 | 387 |
| 2006 | 429 |
| 2007 | 417 |
| 2008 | 489 |
| 2009 | 551 |
| 2010 | 621 |
| 2011 | 602 |
| 2012 | 676 |
| 2013 | 675 |
| 2014 | 768 |
| 2015 | 800 |
| 2016 | 842 |
| 2017 | 1014 |
| 2018 | 1036 |
| 2019 | 1147 |
| 2020 | 1450 |
| 2021 | 1336 |
| 2022 | 1399 |
| 2023 | 1236 |
| 2024 | 1319 |
| 2025 | 1153 |
| 2026 | 399 |