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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1950 | 2 |
| 1953 | 2 |
| 1956 | 4 |
| 1957 | 3 |
| 1958 | 1 |
| 1959 | 1 |
| 1960 | 1 |
| 1961 | 2 |
| 1962 | 10 |
| 1963 | 8 |
| 1964 | 5 |
| 1965 | 10 |
| 1966 | 11 |
| 1967 | 8 |
| 1968 | 21 |
| 1969 | 17 |
| 1970 | 28 |
| 1971 | 24 |
| 1972 | 31 |
| 1973 | 28 |
| 1974 | 24 |
| 1975 | 24 |
| 1976 | 36 |
| 1977 | 27 |
| 1978 | 49 |
| 1979 | 57 |
| 1980 | 60 |
| 1981 | 50 |
| 1982 | 67 |
| 1983 | 57 |
| 1984 | 53 |
| 1985 | 59 |
| 1986 | 64 |
| 1987 | 80 |
| 1988 | 82 |
| 1989 | 80 |
| 1990 | 91 |
| 1991 | 76 |
| 1992 | 113 |
| 1993 | 88 |
| 1994 | 102 |
| 1995 | 132 |
| 1996 | 134 |
| 1997 | 128 |
| 1998 | 113 |
| 1999 | 116 |
| 2000 | 163 |
| 2001 | 183 |
| 2002 | 185 |
| 2003 | 178 |
| 2004 | 211 |
| 2005 | 240 |
| 2006 | 255 |
| 2007 | 245 |
| 2008 | 322 |
| 2009 | 373 |
| 2010 | 414 |
| 2011 | 456 |
| 2012 | 502 |
| 2013 | 552 |
| 2014 | 595 |
| 2015 | 641 |
| 2016 | 671 |
| 2017 | 706 |
| 2018 | 699 |
| 2019 | 754 |
| 2020 | 943 |
| 2021 | 1001 |
| 2022 | 1117 |
| 2023 | 1122 |
| 2024 | 745 |