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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1952 | 2 |
| 1953 | 47 |
| 1954 | 52 |
| 1955 | 50 |
| 1956 | 64 |
| 1957 | 78 |
| 1958 | 73 |
| 1959 | 31 |
| 1960 | 1 |
| 1961 | 2 |
| 1963 | 7 |
| 1964 | 6 |
| 1965 | 127 |
| 1966 | 270 |
| 1967 | 269 |
| 1968 | 346 |
| 1969 | 437 |
| 1970 | 349 |
| 1971 | 354 |
| 1972 | 357 |
| 1973 | 367 |
| 1974 | 314 |
| 1975 | 203 |
| 1976 | 181 |
| 1977 | 167 |
| 1978 | 189 |
| 1979 | 202 |
| 1980 | 167 |
| 1981 | 248 |
| 1982 | 283 |
| 1983 | 252 |
| 1984 | 303 |
| 1985 | 305 |
| 1986 | 293 |
| 1987 | 311 |
| 1988 | 306 |
| 1989 | 328 |
| 1990 | 319 |
| 1991 | 312 |
| 1992 | 356 |
| 1993 | 350 |
| 1994 | 364 |
| 1995 | 653 |
| 1996 | 926 |
| 1997 | 982 |
| 1998 | 1001 |
| 1999 | 977 |
| 2000 | 959 |
| 2001 | 1003 |
| 2002 | 1114 |
| 2003 | 1142 |
| 2004 | 1213 |
| 2005 | 1293 |
| 2006 | 1481 |
| 2007 | 1450 |
| 2008 | 1469 |
| 2009 | 1645 |
| 2010 | 1730 |
| 2011 | 1807 |
| 2012 | 1864 |
| 2013 | 1693 |
| 2014 | 1691 |
| 2015 | 1718 |
| 2016 | 1619 |
| 2017 | 1565 |
| 2018 | 1571 |
| 2019 | 1506 |
| 2020 | 1667 |
| 2021 | 1409 |
| 2022 | 1064 |
| 2023 | 831 |
| 2024 | 416 |