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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1948 | 2 |
| 1951 | 2 |
| 1952 | 5 |
| 1953 | 11 |
| 1954 | 19 |
| 1955 | 34 |
| 1956 | 25 |
| 1957 | 13 |
| 1958 | 19 |
| 1959 | 16 |
| 1960 | 11 |
| 1961 | 1 |
| 1962 | 6 |
| 1963 | 1 |
| 1964 | 3 |
| 1965 | 20 |
| 1966 | 80 |
| 1967 | 146 |
| 1968 | 180 |
| 1969 | 196 |
| 1970 | 211 |
| 1971 | 215 |
| 1972 | 241 |
| 1973 | 227 |
| 1974 | 263 |
| 1975 | 240 |
| 1976 | 154 |
| 1977 | 141 |
| 1978 | 118 |
| 1979 | 128 |
| 1980 | 154 |
| 1981 | 128 |
| 1982 | 119 |
| 1983 | 168 |
| 1984 | 192 |
| 1985 | 174 |
| 1986 | 195 |
| 1987 | 181 |
| 1988 | 174 |
| 1989 | 168 |
| 1990 | 153 |
| 1991 | 150 |
| 1992 | 153 |
| 1993 | 148 |
| 1994 | 173 |
| 1995 | 152 |
| 1996 | 140 |
| 1997 | 179 |
| 1998 | 156 |
| 1999 | 142 |
| 2000 | 141 |
| 2001 | 165 |
| 2002 | 172 |
| 2003 | 182 |
| 2004 | 215 |
| 2005 | 214 |
| 2006 | 242 |
| 2007 | 212 |
| 2008 | 234 |
| 2009 | 261 |
| 2010 | 247 |
| 2011 | 294 |
| 2012 | 290 |
| 2013 | 313 |
| 2014 | 306 |
| 2015 | 307 |
| 2016 | 286 |
| 2017 | 268 |
| 2018 | 305 |
| 2019 | 321 |
| 2020 | 259 |
| 2021 | 134 |
| 2022 | 64 |
| 2023 | 52 |
| 2024 | 167 |
| 2025 | 21 |