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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1947 | 2 |
| 1949 | 13 |
| 1950 | 19 |
| 1951 | 26 |
| 1952 | 32 |
| 1953 | 29 |
| 1954 | 29 |
| 1955 | 35 |
| 1956 | 21 |
| 1957 | 27 |
| 1958 | 42 |
| 1959 | 39 |
| 1960 | 41 |
| 1961 | 38 |
| 1962 | 63 |
| 1963 | 66 |
| 1964 | 138 |
| 1965 | 122 |
| 1966 | 120 |
| 1967 | 100 |
| 1968 | 131 |
| 1969 | 155 |
| 1970 | 153 |
| 1971 | 209 |
| 1972 | 251 |
| 1973 | 285 |
| 1974 | 253 |
| 1975 | 250 |
| 1976 | 244 |
| 1977 | 249 |
| 1978 | 267 |
| 1979 | 249 |
| 1980 | 180 |
| 1981 | 197 |
| 1982 | 279 |
| 1983 | 291 |
| 1984 | 322 |
| 1985 | 341 |
| 1986 | 291 |
| 1987 | 354 |
| 1988 | 315 |
| 1989 | 332 |
| 1990 | 363 |
| 1991 | 426 |
| 1992 | 399 |
| 1993 | 514 |
| 1994 | 452 |
| 1995 | 481 |
| 1996 | 510 |
| 1997 | 528 |
| 1998 | 554 |
| 1999 | 571 |
| 2000 | 688 |
| 2001 | 634 |
| 2002 | 728 |
| 2003 | 813 |
| 2004 | 811 |
| 2005 | 871 |
| 2006 | 886 |
| 2007 | 982 |
| 2008 | 938 |
| 2009 | 992 |
| 2010 | 1033 |
| 2011 | 1141 |
| 2012 | 1051 |
| 2013 | 1079 |
| 2014 | 1184 |
| 2015 | 1223 |
| 2016 | 1319 |
| 2017 | 1343 |
| 2018 | 1331 |
| 2019 | 1304 |
| 2020 | 1327 |
| 2021 | 1230 |
| 2022 | 781 |
| 2023 | 639 |
| 2024 | 727 |