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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1950 | 1 |
| 1951 | 2 |
| 1952 | 3 |
| 1955 | 1 |
| 1961 | 1 |
| 1962 | 5 |
| 1963 | 11 |
| 1964 | 9 |
| 1965 | 5 |
| 1966 | 15 |
| 1967 | 13 |
| 1968 | 6 |
| 1969 | 10 |
| 1970 | 15 |
| 1971 | 13 |
| 1972 | 14 |
| 1973 | 22 |
| 1974 | 15 |
| 1975 | 22 |
| 1976 | 24 |
| 1977 | 17 |
| 1978 | 16 |
| 1979 | 24 |
| 1980 | 31 |
| 1981 | 23 |
| 1982 | 46 |
| 1983 | 53 |
| 1984 | 52 |
| 1985 | 66 |
| 1986 | 68 |
| 1987 | 69 |
| 1988 | 69 |
| 1989 | 73 |
| 1990 | 51 |
| 1991 | 65 |
| 1992 | 71 |
| 1993 | 71 |
| 1994 | 91 |
| 1995 | 81 |
| 1996 | 91 |
| 1997 | 106 |
| 1998 | 113 |
| 1999 | 112 |
| 2000 | 100 |
| 2001 | 119 |
| 2002 | 118 |
| 2003 | 141 |
| 2004 | 131 |
| 2005 | 117 |
| 2006 | 120 |
| 2007 | 114 |
| 2008 | 103 |
| 2009 | 130 |
| 2010 | 116 |
| 2011 | 128 |
| 2012 | 130 |
| 2013 | 133 |
| 2014 | 126 |
| 2015 | 140 |
| 2016 | 142 |
| 2017 | 153 |
| 2018 | 156 |
| 2019 | 141 |
| 2020 | 213 |
| 2021 | 241 |
| 2022 | 182 |
| 2023 | 146 |
| 2024 | 76 |