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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1948 | 1 |
| 1949 | 1 |
| 1950 | 9 |
| 1951 | 13 |
| 1952 | 14 |
| 1953 | 14 |
| 1954 | 22 |
| 1955 | 23 |
| 1956 | 13 |
| 1957 | 14 |
| 1958 | 12 |
| 1959 | 15 |
| 1960 | 22 |
| 1961 | 12 |
| 1962 | 30 |
| 1963 | 21 |
| 1964 | 41 |
| 1965 | 43 |
| 1966 | 75 |
| 1967 | 81 |
| 1968 | 114 |
| 1969 | 124 |
| 1970 | 127 |
| 1971 | 137 |
| 1972 | 150 |
| 1973 | 176 |
| 1974 | 177 |
| 1975 | 159 |
| 1976 | 154 |
| 1977 | 190 |
| 1978 | 169 |
| 1979 | 183 |
| 1980 | 172 |
| 1981 | 189 |
| 1982 | 215 |
| 1983 | 236 |
| 1984 | 248 |
| 1985 | 262 |
| 1986 | 251 |
| 1987 | 292 |
| 1988 | 274 |
| 1989 | 353 |
| 1990 | 309 |
| 1991 | 310 |
| 1992 | 339 |
| 1993 | 343 |
| 1994 | 391 |
| 1995 | 459 |
| 1996 | 432 |
| 1997 | 555 |
| 1998 | 579 |
| 1999 | 690 |
| 2000 | 809 |
| 2001 | 750 |
| 2002 | 838 |
| 2003 | 920 |
| 2004 | 966 |
| 2005 | 1022 |
| 2006 | 998 |
| 2007 | 1079 |
| 2008 | 1083 |
| 2009 | 1009 |
| 2010 | 1017 |
| 2011 | 1034 |
| 2012 | 949 |
| 2013 | 1036 |
| 2014 | 1057 |
| 2015 | 1001 |
| 2016 | 1010 |
| 2017 | 935 |
| 2018 | 886 |
| 2019 | 890 |
| 2020 | 1059 |
| 2021 | 910 |
| 2022 | 897 |
| 2023 | 914 |
| 2024 | 794 |
| 2025 | 55 |