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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1947 | 97 |
| 1948 | 115 |
| 1950 | 19 |
| 1951 | 259 |
| 1952 | 434 |
| 1953 | 346 |
| 1954 | 286 |
| 1955 | 302 |
| 1956 | 400 |
| 1957 | 331 |
| 1958 | 332 |
| 1959 | 306 |
| 1960 | 275 |
| 1961 | 363 |
| 1963 | 10 |
| 1964 | 276 |
| 1965 | 355 |
| 1966 | 237 |
| 1967 | 522 |
| 1968 | 246 |
| 1969 | 255 |
| 1970 | 181 |
| 1971 | 239 |
| 1972 | 254 |
| 1973 | 258 |
| 1974 | 230 |
| 1975 | 199 |
| 1976 | 218 |
| 1977 | 228 |
| 1978 | 230 |
| 1979 | 204 |
| 1980 | 223 |
| 1981 | 179 |
| 1982 | 203 |
| 1983 | 192 |
| 1984 | 208 |
| 1985 | 206 |
| 1986 | 196 |
| 1987 | 195 |
| 1988 | 194 |
| 1989 | 186 |
| 1990 | 187 |
| 1991 | 165 |
| 1992 | 120 |
| 1993 | 124 |
| 1994 | 144 |
| 1995 | 164 |
| 1996 | 213 |
| 1997 | 197 |
| 1998 | 335 |
| 1999 | 264 |
| 2000 | 223 |
| 2001 | 210 |
| 2002 | 189 |
| 2003 | 184 |
| 2004 | 144 |
| 2005 | 106 |
| 2006 | 137 |
| 2007 | 101 |
| 2008 | 109 |
| 2009 | 117 |
| 2010 | 130 |
| 2011 | 173 |
| 2012 | 157 |
| 2013 | 235 |
| 2014 | 174 |
| 2015 | 150 |
| 2016 | 142 |
| 2017 | 148 |
| 2018 | 146 |
| 2019 | 145 |
| 2020 | 106 |
| 2021 | 119 |
| 2022 | 95 |
| 2023 | 97 |
| 2024 | 92 |
| 2025 | 77 |