b | Secretariat estimate or projection based on national sources. |
c | National estimate or projection. |
d | Defence excluded (all or mostly). |
e | Based on data extracted from national or other international sources. |
f | Excluding R&D in the social sciences and humanities (all or mostly). |
g | Federal or central government only. |
i | Excludes most or all capital expenditure. |
j | Overestimated or based on overestimated data. |
k | Underestimated or based on underestimated data. |
l | Provisional. |
p | Based on current costs only. |
q | Data for 2004. |
r | Data for 2006. |
s | Data for 2007. |
t | Data for 2008. |