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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1959 | 2 |
| 1961 | 1 |
| 1962 | 1 |
| 1963 | 1 |
| 1969 | 2 |
| 1970 | 2 |
| 1971 | 1 |
| 1974 | 6 |
| 1975 | 6 |
| 1976 | 5 |
| 1977 | 4 |
| 1978 | 8 |
| 1979 | 14 |
| 1980 | 13 |
| 1981 | 27 |
| 1982 | 21 |
| 1983 | 20 |
| 1984 | 25 |
| 1985 | 38 |
| 1986 | 34 |
| 1987 | 29 |
| 1988 | 45 |
| 1989 | 45 |
| 1990 | 53 |
| 1991 | 65 |
| 1992 | 57 |
| 1993 | 67 |
| 1994 | 84 |
| 1995 | 68 |
| 1996 | 95 |
| 1997 | 123 |
| 1998 | 128 |
| 1999 | 167 |
| 2000 | 175 |
| 2001 | 194 |
| 2002 | 207 |
| 2003 | 308 |
| 2004 | 343 |
| 2005 | 489 |
| 2006 | 550 |
| 2007 | 630 |
| 2008 | 797 |
| 2009 | 871 |
| 2010 | 1029 |
| 2011 | 1139 |
| 2012 | 1344 |
| 2013 | 1621 |
| 2014 | 1935 |
| 2015 | 2255 |
| 2016 | 2313 |
| 2017 | 2640 |
| 2018 | 3180 |
| 2019 | 3480 |
| 2020 | 4251 |
| 2021 | 4744 |
| 2022 | 5526 |
| 2023 | 2393 |