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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1949 | 1 |
| 1951 | 1 |
| 1953 | 1 |
| 1956 | 4 |
| 1958 | 1 |
| 1959 | 1 |
| 1960 | 1 |
| 1962 | 3 |
| 1963 | 2 |
| 1964 | 1 |
| 1965 | 8 |
| 1966 | 3 |
| 1967 | 6 |
| 1968 | 17 |
| 1969 | 9 |
| 1970 | 18 |
| 1971 | 24 |
| 1972 | 26 |
| 1973 | 28 |
| 1974 | 26 |
| 1975 | 43 |
| 1976 | 51 |
| 1977 | 64 |
| 1978 | 67 |
| 1979 | 53 |
| 1980 | 113 |
| 1981 | 63 |
| 1982 | 77 |
| 1983 | 79 |
| 1984 | 100 |
| 1985 | 108 |
| 1986 | 134 |
| 1987 | 131 |
| 1988 | 161 |
| 1989 | 215 |
| 1990 | 239 |
| 1991 | 291 |
| 1992 | 312 |
| 1993 | 338 |
| 1994 | 409 |
| 1995 | 470 |
| 1996 | 502 |
| 1997 | 529 |
| 1998 | 549 |
| 1999 | 641 |
| 2000 | 614 |
| 2001 | 646 |
| 2002 | 758 |
| 2003 | 891 |
| 2004 | 1064 |
| 2005 | 1222 |
| 2006 | 1499 |
| 2007 | 1552 |
| 2008 | 1779 |
| 2009 | 1890 |
| 2010 | 2267 |
| 2011 | 2646 |
| 2012 | 3011 |
| 2013 | 3770 |
| 2014 | 5401 |
| 2015 | 7380 |
| 2016 | 9027 |
| 2017 | 10103 |
| 2018 | 11720 |
| 2019 | 13355 |
| 2020 | 16508 |
| 2021 | 19459 |
| 2022 | 20286 |
| 2023 | 22042 |
| 2024 | 11093 |