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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1951 | 1 |
| 1954 | 2 |
| 1955 | 2 |
| 1956 | 3 |
| 1957 | 2 |
| 1959 | 1 |
| 1961 | 2 |
| 1962 | 2 |
| 1965 | 5 |
| 1966 | 13 |
| 1967 | 11 |
| 1968 | 21 |
| 1969 | 25 |
| 1970 | 19 |
| 1971 | 35 |
| 1972 | 30 |
| 1973 | 20 |
| 1974 | 31 |
| 1975 | 22 |
| 1976 | 22 |
| 1977 | 27 |
| 1978 | 19 |
| 1979 | 24 |
| 1980 | 45 |
| 1981 | 35 |
| 1982 | 26 |
| 1983 | 36 |
| 1984 | 28 |
| 1985 | 26 |
| 1986 | 19 |
| 1987 | 23 |
| 1988 | 24 |
| 1989 | 27 |
| 1990 | 33 |
| 1991 | 57 |
| 1992 | 85 |
| 1993 | 74 |
| 1994 | 82 |
| 1995 | 95 |
| 1996 | 116 |
| 1997 | 96 |
| 1998 | 148 |
| 1999 | 171 |
| 2000 | 161 |
| 2001 | 195 |
| 2002 | 182 |
| 2003 | 264 |
| 2004 | 229 |
| 2005 | 229 |
| 2006 | 291 |
| 2007 | 414 |
| 2008 | 552 |
| 2009 | 522 |
| 2010 | 525 |
| 2011 | 598 |
| 2012 | 799 |
| 2013 | 1023 |
| 2014 | 1098 |
| 2015 | 1179 |
| 2016 | 1166 |
| 2017 | 1187 |
| 2018 | 1384 |
| 2019 | 1374 |
| 2020 | 1810 |
| 2021 | 1933 |
| 2022 | 1807 |
| 2023 | 1567 |
| 2024 | 678 |