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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1956 | 1 |
| 1959 | 1 |
| 1960 | 9 |
| 1961 | 5 |
| 1962 | 6 |
| 1963 | 50 |
| 1964 | 52 |
| 1965 | 35 |
| 1966 | 49 |
| 1967 | 45 |
| 1968 | 55 |
| 1969 | 81 |
| 1970 | 81 |
| 1971 | 93 |
| 1972 | 110 |
| 1973 | 100 |
| 1974 | 121 |
| 1975 | 104 |
| 1976 | 77 |
| 1977 | 110 |
| 1978 | 93 |
| 1979 | 107 |
| 1980 | 126 |
| 1981 | 131 |
| 1982 | 161 |
| 1983 | 144 |
| 1984 | 149 |
| 1985 | 192 |
| 1986 | 151 |
| 1987 | 143 |
| 1988 | 163 |
| 1989 | 173 |
| 1990 | 167 |
| 1991 | 175 |
| 1992 | 157 |
| 1993 | 188 |
| 1994 | 221 |
| 1995 | 219 |
| 1996 | 216 |
| 1997 | 180 |
| 1998 | 219 |
| 1999 | 223 |
| 2000 | 267 |
| 2001 | 247 |
| 2002 | 261 |
| 2003 | 281 |
| 2004 | 285 |
| 2005 | 307 |
| 2006 | 277 |
| 2007 | 217 |
| 2008 | 235 |
| 2009 | 206 |
| 2010 | 205 |
| 2011 | 203 |
| 2012 | 190 |
| 2013 | 219 |
| 2014 | 223 |
| 2015 | 213 |
| 2016 | 205 |
| 2017 | 167 |
| 2018 | 168 |
| 2019 | 198 |
| 2020 | 185 |
| 2021 | 190 |
| 2022 | 163 |
| 2023 | 161 |
| 2024 | 147 |
| 2025 | 179 |
| 2026 | 124 |