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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1963 | 1 |
| 1964 | 1 |
| 1966 | 1 |
| 1968 | 1 |
| 1970 | 2 |
| 1971 | 1 |
| 1972 | 2 |
| 1974 | 2 |
| 1975 | 2 |
| 1976 | 3 |
| 1977 | 1 |
| 1978 | 3 |
| 1979 | 1 |
| 1980 | 4 |
| 1981 | 4 |
| 1982 | 3 |
| 1983 | 7 |
| 1984 | 6 |
| 1985 | 8 |
| 1986 | 7 |
| 1987 | 21 |
| 1988 | 23 |
| 1989 | 20 |
| 1990 | 28 |
| 1991 | 26 |
| 1992 | 31 |
| 1993 | 34 |
| 1994 | 41 |
| 1995 | 43 |
| 1996 | 54 |
| 1997 | 51 |
| 1998 | 82 |
| 1999 | 52 |
| 2000 | 94 |
| 2001 | 85 |
| 2002 | 97 |
| 2003 | 126 |
| 2004 | 143 |
| 2005 | 171 |
| 2006 | 207 |
| 2007 | 241 |
| 2008 | 283 |
| 2009 | 331 |
| 2010 | 371 |
| 2011 | 394 |
| 2012 | 404 |
| 2013 | 455 |
| 2014 | 489 |
| 2015 | 514 |
| 2016 | 519 |
| 2017 | 559 |
| 2018 | 565 |
| 2019 | 693 |
| 2020 | 826 |
| 2021 | 924 |
| 2022 | 998 |
| 2023 | 309 |