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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1947 | 1 |
| 1960 | 1 |
| 1962 | 1 |
| 1963 | 4 |
| 1964 | 1 |
| 1965 | 2 |
| 1967 | 1 |
| 1968 | 1 |
| 1971 | 1 |
| 1972 | 5 |
| 1973 | 1 |
| 1977 | 2 |
| 1979 | 4 |
| 1980 | 4 |
| 1981 | 13 |
| 1982 | 18 |
| 1983 | 13 |
| 1984 | 24 |
| 1985 | 32 |
| 1986 | 28 |
| 1987 | 26 |
| 1988 | 47 |
| 1989 | 40 |
| 1990 | 44 |
| 1991 | 54 |
| 1992 | 58 |
| 1993 | 74 |
| 1994 | 97 |
| 1995 | 117 |
| 1996 | 115 |
| 1997 | 157 |
| 1998 | 168 |
| 1999 | 175 |
| 2000 | 194 |
| 2001 | 199 |
| 2002 | 279 |
| 2003 | 354 |
| 2004 | 431 |
| 2005 | 601 |
| 2006 | 681 |
| 2007 | 813 |
| 2008 | 971 |
| 2009 | 1203 |
| 2010 | 1282 |
| 2011 | 1447 |
| 2012 | 1928 |
| 2013 | 2201 |
| 2014 | 2606 |
| 2015 | 2997 |
| 2016 | 3211 |
| 2017 | 3600 |
| 2018 | 4019 |
| 2019 | 4868 |
| 2020 | 5855 |
| 2021 | 6492 |
| 2022 | 7864 |
| 2023 | 3726 |