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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1948 | 1 |
| 1954 | 3 |
| 1956 | 1 |
| 1957 | 1 |
| 1959 | 1 |
| 1960 | 3 |
| 1961 | 2 |
| 1962 | 1 |
| 1963 | 4 |
| 1964 | 9 |
| 1965 | 6 |
| 1968 | 3 |
| 1971 | 2 |
| 1974 | 4 |
| 1975 | 2 |
| 1976 | 22 |
| 1977 | 37 |
| 1978 | 34 |
| 1979 | 49 |
| 1980 | 54 |
| 1981 | 69 |
| 1982 | 73 |
| 1983 | 91 |
| 1984 | 107 |
| 1985 | 113 |
| 1986 | 115 |
| 1987 | 126 |
| 1988 | 114 |
| 1989 | 144 |
| 1990 | 151 |
| 1991 | 142 |
| 1992 | 157 |
| 1993 | 237 |
| 1994 | 263 |
| 1995 | 281 |
| 1996 | 348 |
| 1997 | 372 |
| 1998 | 519 |
| 1999 | 600 |
| 2000 | 666 |
| 2001 | 828 |
| 2002 | 1001 |
| 2003 | 1079 |
| 2004 | 1227 |
| 2005 | 1323 |
| 2006 | 1420 |
| 2007 | 1606 |
| 2008 | 1713 |
| 2009 | 1917 |
| 2010 | 2025 |
| 2011 | 2111 |
| 2012 | 2302 |
| 2013 | 2319 |
| 2014 | 2367 |
| 2015 | 2544 |
| 2016 | 2614 |
| 2017 | 2494 |
| 2018 | 2423 |
| 2019 | 2482 |
| 2020 | 2530 |
| 2021 | 2273 |
| 2022 | 1954 |
| 2023 | 1573 |
| 2024 | 596 |