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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1958 | 1 |
| 1960 | 1 |
| 1962 | 1 |
| 1972 | 1 |
| 1974 | 1 |
| 1977 | 1 |
| 1979 | 1 |
| 1980 | 4 |
| 1981 | 5 |
| 1982 | 8 |
| 1983 | 4 |
| 1984 | 2 |
| 1985 | 6 |
| 1986 | 4 |
| 1987 | 4 |
| 1988 | 7 |
| 1989 | 10 |
| 1990 | 13 |
| 1991 | 16 |
| 1992 | 20 |
| 1993 | 15 |
| 1994 | 26 |
| 1995 | 26 |
| 1996 | 55 |
| 1997 | 37 |
| 1998 | 53 |
| 1999 | 46 |
| 2000 | 52 |
| 2001 | 86 |
| 2002 | 84 |
| 2003 | 99 |
| 2004 | 146 |
| 2005 | 181 |
| 2006 | 200 |
| 2007 | 234 |
| 2008 | 279 |
| 2009 | 363 |
| 2010 | 355 |
| 2011 | 450 |
| 2012 | 524 |
| 2013 | 611 |
| 2014 | 619 |
| 2015 | 732 |
| 2016 | 784 |
| 2017 | 836 |
| 2018 | 985 |
| 2019 | 1106 |
| 2020 | 1277 |
| 2021 | 1487 |
| 2022 | 1725 |
| 2023 | 521 |