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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1954 | 2 |
| 1955 | 2 |
| 1956 | 1 |
| 1961 | 1 |
| 1962 | 1 |
| 1963 | 1 |
| 1964 | 2 |
| 1965 | 3 |
| 1966 | 2 |
| 1967 | 1 |
| 1968 | 2 |
| 1969 | 4 |
| 1970 | 13 |
| 1971 | 12 |
| 1972 | 6 |
| 1973 | 12 |
| 1974 | 8 |
| 1975 | 5 |
| 1976 | 12 |
| 1977 | 9 |
| 1978 | 5 |
| 1979 | 16 |
| 1980 | 7 |
| 1981 | 22 |
| 1982 | 21 |
| 1983 | 24 |
| 1984 | 28 |
| 1985 | 22 |
| 1986 | 33 |
| 1987 | 33 |
| 1988 | 23 |
| 1989 | 44 |
| 1990 | 42 |
| 1991 | 51 |
| 1992 | 63 |
| 1993 | 66 |
| 1994 | 103 |
| 1995 | 117 |
| 1996 | 116 |
| 1997 | 130 |
| 1998 | 126 |
| 1999 | 142 |
| 2000 | 200 |
| 2001 | 224 |
| 2002 | 283 |
| 2003 | 330 |
| 2004 | 457 |
| 2005 | 556 |
| 2006 | 612 |
| 2007 | 721 |
| 2008 | 832 |
| 2009 | 929 |
| 2010 | 1113 |
| 2011 | 1385 |
| 2012 | 1620 |
| 2013 | 1743 |
| 2014 | 2059 |
| 2015 | 2263 |
| 2016 | 2436 |
| 2017 | 2605 |
| 2018 | 2952 |
| 2019 | 3388 |
| 2020 | 3833 |
| 2021 | 4336 |
| 2022 | 4878 |
| 2023 | 518 |