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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1949 | 1 |
| 1955 | 1 |
| 1956 | 1 |
| 1959 | 4 |
| 1963 | 1 |
| 1964 | 5 |
| 1965 | 5 |
| 1966 | 1 |
| 1967 | 1 |
| 1968 | 4 |
| 1969 | 1 |
| 1970 | 1 |
| 1971 | 5 |
| 1972 | 9 |
| 1973 | 6 |
| 1974 | 10 |
| 1975 | 11 |
| 1976 | 16 |
| 1977 | 8 |
| 1978 | 15 |
| 1979 | 24 |
| 1980 | 14 |
| 1981 | 12 |
| 1982 | 22 |
| 1983 | 25 |
| 1984 | 20 |
| 1985 | 30 |
| 1986 | 22 |
| 1987 | 19 |
| 1988 | 33 |
| 1989 | 19 |
| 1990 | 24 |
| 1991 | 27 |
| 1992 | 39 |
| 1993 | 52 |
| 1994 | 47 |
| 1995 | 56 |
| 1996 | 60 |
| 1997 | 45 |
| 1998 | 45 |
| 1999 | 47 |
| 2000 | 62 |
| 2001 | 82 |
| 2002 | 98 |
| 2003 | 95 |
| 2004 | 111 |
| 2005 | 127 |
| 2006 | 153 |
| 2007 | 194 |
| 2008 | 210 |
| 2009 | 229 |
| 2010 | 275 |
| 2011 | 341 |
| 2012 | 329 |
| 2013 | 366 |
| 2014 | 443 |
| 2015 | 490 |
| 2016 | 519 |
| 2017 | 613 |
| 2018 | 753 |
| 2019 | 824 |
| 2020 | 884 |
| 2021 | 1065 |
| 2022 | 1260 |
| 2023 | 156 |