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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1961 | 1 |
| 1964 | 52 |
| 1965 | 39 |
| 1966 | 46 |
| 1967 | 64 |
| 1968 | 70 |
| 1969 | 55 |
| 1970 | 68 |
| 1971 | 92 |
| 1972 | 86 |
| 1973 | 68 |
| 1974 | 117 |
| 1975 | 125 |
| 1976 | 82 |
| 1977 | 71 |
| 1978 | 81 |
| 1979 | 75 |
| 1980 | 83 |
| 1981 | 74 |
| 1982 | 89 |
| 1983 | 86 |
| 1984 | 100 |
| 1985 | 90 |
| 1986 | 102 |
| 1987 | 135 |
| 1988 | 152 |
| 1989 | 132 |
| 1990 | 123 |
| 1991 | 117 |
| 1992 | 124 |
| 1993 | 98 |
| 1994 | 118 |
| 1995 | 99 |
| 1996 | 101 |
| 1997 | 87 |
| 1998 | 70 |
| 1999 | 71 |
| 2000 | 77 |
| 2001 | 95 |
| 2002 | 107 |
| 2003 | 110 |
| 2004 | 80 |
| 2005 | 101 |
| 2006 | 89 |
| 2007 | 91 |
| 2008 | 90 |
| 2009 | 124 |
| 2010 | 104 |
| 2011 | 123 |
| 2012 | 161 |
| 2013 | 210 |
| 2014 | 191 |
| 2015 | 203 |
| 2016 | 182 |
| 2017 | 174 |
| 2018 | 178 |
| 2019 | 191 |
| 2020 | 217 |
| 2021 | 181 |
| 2022 | 193 |
| 2023 | 155 |
| 2024 | 214 |