2010       2012
Total radio demand top 25   2,583,727   2,421,903
Adjusted for whole world   3,449,569   3,233,515
Table 5.  Final calculated values from the data in Table 4.  Note that 2012 total sales are predicted to be slightly below 2010 levels, mainly due to the economic conditions globally.  As a related example, if a component or accessory has a shorter lifetime, the figures for demand increase; if, say, the antennas have a 2-year liftime (they are highly subject to damage and are replaceable) then the antenna demand estimated for 2012 is 10.8M units.