Does Airport Security Actually Work?
| Number of airplane hijackings per year | |
|---|---|
| 1965 | 5 |
| 1966 | 4 |
| 1967 | 4 |
| 1968 | 29 |
| 1969 | 86 |
| 1970 | 77 |
| 1971 | 54 |
| 1972 | 59 |
| 1973 | 22 |
| 1974 | 20 |
| 1975 | 19 |
| 1976 | 16 |
| 1977 | 32 |
| 1978 | 25 |
| 1979 | 23 |
| 1980 | 37 |
| 1981 | 30 |
| 1982 | 31 |
| 1983 | 35 |
| 1984 | 27 |
| 1985 | 26 |
| 1986 | 16 |
| 1987 | 12 |
| 1988 | 15 |
| 1989 | 15 |
| 1990 | 38 |
| 1991 | 20 |
| 1992 | 11 |
| 1993 | 36 |
| 1994 | 27 |
| 1995 | 12 |
| 1996 | 17 |
| 1997 | 12 |
| 1998 | 14 |
| 1999 | 13 |
| 2000 | 26 |
| 2001 | 11 |
| 2002 | 10 |
| 2003 | 9 |
| 2004 | 4 |
| 2005 | 1 |
| 2006 | 3 |
| 2007 | 6 |
| 2008 | 2 |
| 2009 | 4 |
| 2010 | 1 |
| 2011 | 1 |
| 2012 | 4 |
| 2013 | 1 |
| 2014 | 3 |
| 2015 | 0 |
#
Sources:
aviation-safety.net
