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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1955 | 2 |
| 1956 | 1 |
| 1958 | 1 |
| 1961 | 1 |
| 1962 | 3 |
| 1963 | 2 |
| 1964 | 5 |
| 1965 | 4 |
| 1966 | 3 |
| 1967 | 6 |
| 1968 | 5 |
| 1969 | 9 |
| 1970 | 8 |
| 1971 | 6 |
| 1972 | 8 |
| 1973 | 11 |
| 1974 | 6 |
| 1975 | 10 |
| 1976 | 7 |
| 1977 | 7 |
| 1978 | 11 |
| 1979 | 18 |
| 1980 | 15 |
| 1981 | 11 |
| 1982 | 22 |
| 1983 | 18 |
| 1984 | 14 |
| 1985 | 29 |
| 1986 | 27 |
| 1987 | 36 |
| 1988 | 37 |
| 1989 | 37 |
| 1990 | 38 |
| 1991 | 41 |
| 1992 | 49 |
| 1993 | 36 |
| 1994 | 51 |
| 1995 | 53 |
| 1996 | 45 |
| 1997 | 233 |
| 1998 | 54 |
| 1999 | 88 |
| 2000 | 381 |
| 2001 | 409 |
| 2002 | 663 |
| 2003 | 806 |
| 2004 | 784 |
| 2005 | 876 |
| 2006 | 1100 |
| 2007 | 1190 |
| 2008 | 1227 |
| 2009 | 1312 |
| 2010 | 1325 |
| 2011 | 1428 |
| 2012 | 1531 |
| 2013 | 1807 |
| 2014 | 2345 |
| 2015 | 2790 |
| 2016 | 2923 |
| 2017 | 2921 |
| 2018 | 3147 |
| 2019 | 3381 |
| 2020 | 4314 |
| 2021 | 4800 |
| 2022 | 4966 |
| 2023 | 4451 |
| 2024 | 1703 |