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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1948 | 19 |
| 1955 | 1 |
| 1964 | 3 |
| 1965 | 35 |
| 1966 | 59 |
| 1967 | 93 |
| 1968 | 104 |
| 1969 | 132 |
| 1970 | 118 |
| 1971 | 138 |
| 1972 | 151 |
| 1973 | 144 |
| 1974 | 168 |
| 1975 | 132 |
| 1976 | 145 |
| 1977 | 140 |
| 1978 | 130 |
| 1979 | 153 |
| 1980 | 142 |
| 1981 | 152 |
| 1982 | 172 |
| 1983 | 199 |
| 1984 | 184 |
| 1985 | 197 |
| 1986 | 173 |
| 1987 | 156 |
| 1988 | 154 |
| 1989 | 199 |
| 1990 | 196 |
| 1991 | 166 |
| 1992 | 218 |
| 1993 | 198 |
| 1994 | 199 |
| 1995 | 210 |
| 1996 | 200 |
| 1997 | 175 |
| 1998 | 166 |
| 1999 | 192 |
| 2000 | 187 |
| 2001 | 187 |
| 2002 | 227 |
| 2003 | 203 |
| 2004 | 210 |
| 2005 | 228 |
| 2006 | 263 |
| 2007 | 264 |
| 2008 | 280 |
| 2009 | 283 |
| 2010 | 281 |
| 2011 | 277 |
| 2012 | 275 |
| 2013 | 280 |
| 2014 | 262 |
| 2015 | 228 |
| 2016 | 267 |
| 2017 | 239 |
| 2018 | 266 |
| 2019 | 266 |
| 2020 | 267 |
| 2021 | 254 |
| 2022 | 240 |
| 2023 | 220 |
| 2024 | 71 |