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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1959 | 73 |
| 1960 | 72 |
| 1961 | 114 |
| 1962 | 20 |
| 1963 | 96 |
| 1964 | 107 |
| 1965 | 44 |
| 1966 | 88 |
| 1967 | 37 |
| 1968 | 85 |
| 1969 | 35 |
| 1970 | 56 |
| 1971 | 59 |
| 1972 | 43 |
| 1973 | 87 |
| 1974 | 100 |
| 1975 | 81 |
| 1976 | 77 |
| 1977 | 90 |
| 1978 | 103 |
| 1979 | 100 |
| 1980 | 176 |
| 1981 | 165 |
| 1982 | 111 |
| 1983 | 173 |
| 1984 | 164 |
| 1985 | 225 |
| 1986 | 266 |
| 1987 | 242 |
| 1988 | 305 |
| 1989 | 291 |
| 1990 | 290 |
| 1991 | 223 |
| 1992 | 190 |
| 1993 | 193 |
| 1994 | 261 |
| 1995 | 166 |
| 1996 | 163 |
| 1997 | 172 |
| 1998 | 187 |
| 1999 | 177 |
| 2000 | 225 |
| 2001 | 176 |
| 2002 | 182 |
| 2003 | 173 |
| 2004 | 148 |
| 2005 | 156 |
| 2006 | 165 |
| 2007 | 200 |
| 2008 | 176 |
| 2009 | 206 |
| 2010 | 164 |
| 2011 | 168 |
| 2012 | 182 |
| 2013 | 224 |
| 2014 | 184 |
| 2015 | 210 |
| 2016 | 175 |
| 2017 | 163 |
| 2018 | 149 |
| 2019 | 154 |
| 2020 | 141 |
| 2021 | 137 |
| 2022 | 143 |
| 2023 | 143 |
| 2024 | 58 |