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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1948 | 2 |
| 1950 | 4 |
| 1951 | 11 |
| 1952 | 10 |
| 1953 | 9 |
| 1954 | 6 |
| 1955 | 8 |
| 1956 | 11 |
| 1957 | 10 |
| 1958 | 7 |
| 1959 | 8 |
| 1960 | 14 |
| 1961 | 19 |
| 1962 | 35 |
| 1963 | 46 |
| 1964 | 38 |
| 1965 | 36 |
| 1966 | 44 |
| 1967 | 60 |
| 1968 | 57 |
| 1969 | 70 |
| 1970 | 57 |
| 1971 | 62 |
| 1972 | 67 |
| 1973 | 76 |
| 1974 | 77 |
| 1975 | 76 |
| 1976 | 69 |
| 1977 | 85 |
| 1978 | 86 |
| 1979 | 92 |
| 1980 | 100 |
| 1981 | 106 |
| 1982 | 134 |
| 1983 | 154 |
| 1984 | 153 |
| 1985 | 190 |
| 1986 | 190 |
| 1987 | 207 |
| 1988 | 217 |
| 1989 | 223 |
| 1990 | 251 |
| 1991 | 217 |
| 1992 | 293 |
| 1993 | 291 |
| 1994 | 316 |
| 1995 | 368 |
| 1996 | 359 |
| 1997 | 345 |
| 1998 | 298 |
| 1999 | 385 |
| 2000 | 495 |
| 2001 | 506 |
| 2002 | 505 |
| 2003 | 487 |
| 2004 | 503 |
| 2005 | 564 |
| 2006 | 631 |
| 2007 | 634 |
| 2008 | 644 |
| 2009 | 670 |
| 2010 | 614 |
| 2011 | 710 |
| 2012 | 740 |
| 2013 | 731 |
| 2014 | 757 |
| 2015 | 734 |
| 2016 | 781 |
| 2017 | 821 |
| 2018 | 871 |
| 2019 | 838 |
| 2020 | 994 |
| 2021 | 1076 |
| 2022 | 1016 |
| 2023 | 699 |
| 2024 | 1 |