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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1963 | 1 |
| 1965 | 1 |
| 1967 | 1 |
| 1968 | 1 |
| 1969 | 1 |
| 1970 | 2 |
| 1971 | 1 |
| 1972 | 2 |
| 1973 | 2 |
| 1974 | 2 |
| 1975 | 1 |
| 1976 | 1 |
| 1977 | 3 |
| 1980 | 4 |
| 1981 | 5 |
| 1982 | 10 |
| 1983 | 16 |
| 1984 | 9 |
| 1985 | 21 |
| 1986 | 16 |
| 1987 | 31 |
| 1988 | 22 |
| 1989 | 30 |
| 1990 | 34 |
| 1991 | 40 |
| 1992 | 55 |
| 1993 | 69 |
| 1994 | 85 |
| 1995 | 94 |
| 1996 | 123 |
| 1997 | 107 |
| 1998 | 117 |
| 1999 | 133 |
| 2000 | 159 |
| 2001 | 186 |
| 2002 | 193 |
| 2003 | 247 |
| 2004 | 318 |
| 2005 | 375 |
| 2006 | 529 |
| 2007 | 618 |
| 2008 | 715 |
| 2009 | 780 |
| 2010 | 917 |
| 2011 | 1047 |
| 2012 | 1362 |
| 2013 | 1620 |
| 2014 | 1926 |
| 2015 | 2184 |
| 2016 | 2262 |
| 2017 | 2468 |
| 2018 | 2957 |
| 2019 | 3437 |
| 2020 | 4046 |
| 2021 | 4630 |
| 2022 | 5361 |
| 2023 | 2468 |