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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1965 | 4 |
| 1966 | 6 |
| 1967 | 7 |
| 1968 | 20 |
| 1969 | 18 |
| 1970 | 20 |
| 1971 | 24 |
| 1972 | 21 |
| 1973 | 17 |
| 1974 | 24 |
| 1975 | 30 |
| 1976 | 36 |
| 1977 | 40 |
| 1978 | 48 |
| 1979 | 77 |
| 1980 | 52 |
| 1981 | 55 |
| 1982 | 83 |
| 1983 | 84 |
| 1984 | 77 |
| 1985 | 131 |
| 1986 | 133 |
| 1987 | 136 |
| 1988 | 164 |
| 1989 | 172 |
| 1990 | 187 |
| 1991 | 207 |
| 1992 | 207 |
| 1993 | 207 |
| 1994 | 216 |
| 1995 | 211 |
| 1996 | 223 |
| 1997 | 237 |
| 1998 | 243 |
| 1999 | 285 |
| 2000 | 213 |
| 2001 | 281 |
| 2002 | 254 |
| 2003 | 277 |
| 2004 | 231 |
| 2005 | 275 |
| 2006 | 282 |
| 2007 | 275 |
| 2008 | 280 |
| 2009 | 286 |
| 2010 | 287 |
| 2011 | 261 |
| 2012 | 306 |
| 2013 | 337 |
| 2014 | 364 |
| 2015 | 301 |
| 2016 | 290 |
| 2017 | 322 |
| 2018 | 305 |
| 2019 | 342 |
| 2020 | 307 |
| 2021 | 241 |
| 2022 | 295 |
| 2023 | 246 |
| 2024 | 100 |