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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1917 | 1 |
| 1924 | 1 |
| 1945 | 1 |
| 1948 | 4 |
| 1949 | 1 |
| 1950 | 16 |
| 1951 | 17 |
| 1952 | 19 |
| 1953 | 19 |
| 1954 | 27 |
| 1955 | 25 |
| 1956 | 26 |
| 1957 | 32 |
| 1958 | 25 |
| 1959 | 26 |
| 1960 | 31 |
| 1961 | 90 |
| 1962 | 112 |
| 1963 | 141 |
| 1964 | 143 |
| 1965 | 187 |
| 1966 | 201 |
| 1967 | 216 |
| 1968 | 239 |
| 1969 | 268 |
| 1970 | 284 |
| 1971 | 297 |
| 1972 | 258 |
| 1973 | 269 |
| 1974 | 322 |
| 1975 | 388 |
| 1976 | 335 |
| 1977 | 415 |
| 1978 | 507 |
| 1979 | 513 |
| 1980 | 582 |
| 1981 | 669 |
| 1982 | 771 |
| 1983 | 914 |
| 1984 | 877 |
| 1985 | 1067 |
| 1986 | 1110 |
| 1987 | 1102 |
| 1988 | 1280 |
| 1989 | 1390 |
| 1990 | 1311 |
| 1991 | 1389 |
| 1992 | 1552 |
| 1993 | 1634 |
| 1994 | 1753 |
| 1995 | 1795 |
| 1996 | 1951 |
| 1997 | 1972 |
| 1998 | 2201 |
| 1999 | 2202 |
| 2000 | 2395 |
| 2001 | 2572 |
| 2002 | 2528 |
| 2003 | 2677 |
| 2004 | 2889 |
| 2005 | 2941 |
| 2006 | 2998 |
| 2007 | 3095 |
| 2008 | 3232 |
| 2009 | 3308 |
| 2010 | 3540 |
| 2011 | 3878 |
| 2012 | 4120 |
| 2013 | 4276 |
| 2014 | 4318 |
| 2015 | 4431 |
| 2016 | 4579 |
| 2017 | 4805 |
| 2018 | 4941 |
| 2019 | 4953 |
| 2020 | 5608 |
| 2021 | 6152 |
| 2022 | 5897 |
| 2023 | 2546 |