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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1963 | 6 |
| 1964 | 19 |
| 1965 | 40 |
| 1966 | 55 |
| 1967 | 92 |
| 1968 | 118 |
| 1969 | 125 |
| 1970 | 157 |
| 1971 | 147 |
| 1972 | 151 |
| 1973 | 147 |
| 1974 | 145 |
| 1975 | 198 |
| 1976 | 176 |
| 1977 | 195 |
| 1978 | 169 |
| 1979 | 148 |
| 1980 | 192 |
| 1981 | 200 |
| 1982 | 192 |
| 1983 | 175 |
| 1984 | 205 |
| 1985 | 165 |
| 1986 | 162 |
| 1987 | 176 |
| 1988 | 183 |
| 1989 | 149 |
| 1990 | 183 |
| 1991 | 194 |
| 1992 | 162 |
| 1993 | 148 |
| 1994 | 146 |
| 1995 | 166 |
| 1996 | 151 |
| 1997 | 134 |
| 1998 | 136 |
| 1999 | 156 |
| 2000 | 152 |
| 2001 | 171 |
| 2002 | 143 |
| 2003 | 142 |
| 2004 | 128 |
| 2005 | 190 |
| 2006 | 187 |
| 2007 | 191 |
| 2008 | 193 |
| 2009 | 203 |
| 2010 | 219 |
| 2011 | 251 |
| 2012 | 262 |
| 2013 | 281 |
| 2014 | 328 |
| 2015 | 305 |
| 2016 | 308 |
| 2017 | 359 |
| 2018 | 432 |
| 2019 | 474 |
| 2020 | 462 |
| 2021 | 425 |
| 2022 | 556 |
| 2023 | 491 |
| 2024 | 185 |