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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1925 | 2 |
| 1927 | 1 |
| 1948 | 1 |
| 1949 | 5 |
| 1950 | 3 |
| 1951 | 8 |
| 1952 | 8 |
| 1953 | 7 |
| 1954 | 5 |
| 1955 | 14 |
| 1956 | 7 |
| 1957 | 7 |
| 1958 | 12 |
| 1959 | 5 |
| 1960 | 11 |
| 1961 | 7 |
| 1962 | 14 |
| 1963 | 12 |
| 1964 | 19 |
| 1965 | 19 |
| 1966 | 23 |
| 1967 | 26 |
| 1968 | 38 |
| 1969 | 45 |
| 1970 | 57 |
| 1971 | 78 |
| 1972 | 52 |
| 1973 | 73 |
| 1974 | 71 |
| 1975 | 55 |
| 1976 | 57 |
| 1977 | 68 |
| 1978 | 85 |
| 1979 | 79 |
| 1980 | 82 |
| 1981 | 85 |
| 1982 | 118 |
| 1983 | 112 |
| 1984 | 147 |
| 1985 | 144 |
| 1986 | 151 |
| 1987 | 158 |
| 1988 | 184 |
| 1989 | 209 |
| 1990 | 228 |
| 1991 | 234 |
| 1992 | 217 |
| 1993 | 225 |
| 1994 | 185 |
| 1995 | 216 |
| 1996 | 211 |
| 1997 | 224 |
| 1998 | 199 |
| 1999 | 212 |
| 2000 | 231 |
| 2001 | 215 |
| 2002 | 238 |
| 2003 | 242 |
| 2004 | 211 |
| 2005 | 290 |
| 2006 | 304 |
| 2007 | 306 |
| 2008 | 368 |
| 2009 | 378 |
| 2010 | 368 |
| 2011 | 370 |
| 2012 | 446 |
| 2013 | 477 |
| 2014 | 458 |
| 2015 | 445 |
| 2016 | 431 |
| 2017 | 494 |
| 2018 | 491 |
| 2019 | 478 |
| 2020 | 499 |
| 2021 | 537 |
| 2022 | 498 |
| 2023 | 468 |
| 2024 | 525 |
| 2025 | 478 |