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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1946 | 1 |
| 1947 | 2 |
| 1948 | 1 |
| 1951 | 2 |
| 1952 | 7 |
| 1953 | 4 |
| 1954 | 8 |
| 1955 | 7 |
| 1956 | 9 |
| 1957 | 11 |
| 1958 | 6 |
| 1959 | 7 |
| 1960 | 3 |
| 1961 | 11 |
| 1962 | 6 |
| 1964 | 1 |
| 1965 | 4 |
| 1966 | 14 |
| 1967 | 33 |
| 1968 | 38 |
| 1969 | 26 |
| 1970 | 27 |
| 1971 | 34 |
| 1972 | 42 |
| 1973 | 49 |
| 1974 | 38 |
| 1975 | 52 |
| 1976 | 39 |
| 1977 | 101 |
| 1978 | 195 |
| 1979 | 201 |
| 1980 | 221 |
| 1981 | 251 |
| 1982 | 236 |
| 1983 | 245 |
| 1984 | 275 |
| 1985 | 257 |
| 1986 | 226 |
| 1987 | 223 |
| 1988 | 203 |
| 1989 | 212 |
| 1990 | 227 |
| 1991 | 290 |
| 1992 | 279 |
| 1993 | 279 |
| 1994 | 302 |
| 1995 | 330 |
| 1996 | 316 |
| 1997 | 369 |
| 1998 | 341 |
| 1999 | 340 |
| 2000 | 285 |
| 2001 | 271 |
| 2002 | 319 |
| 2003 | 326 |
| 2004 | 350 |
| 2005 | 323 |
| 2006 | 321 |
| 2007 | 366 |
| 2008 | 414 |
| 2009 | 413 |
| 2010 | 442 |
| 2011 | 492 |
| 2012 | 495 |
| 2013 | 587 |
| 2014 | 652 |
| 2015 | 754 |
| 2016 | 983 |
| 2017 | 1106 |
| 2018 | 1277 |
| 2019 | 1320 |
| 2020 | 1243 |
| 2021 | 1208 |
| 2022 | 935 |
| 2023 | 743 |
| 2024 | 228 |