Education requirements and points for Immigrant to Canada

greentea

After reading Citizenship and Immigration Canada Home Website about the Education requirements and points, I am not sure how many points for the people with bachelor university degree (4years) and total 18 years of full-time or full-time equivalent study in China.
* ?) n2 m9 |4 c# c. x! D6 `' ?# y
5 {8 s! E3 i0 T- @! j& B. q9 Z22 or 20 points? Can you tell me?
7 W$ d5 ]9 e2 P' e# s8 x/ \
5 w0 b7 \9 m2 f7 ?( @# p. r+ \& [
7 f# p+ r! {, `& g1 IThanks for your feedback.
' f/ P" ~  W' Y7 F. _+ p
????????????????????
. i* \1 x2 I. O1. You have a three-year diploma, trade certificate or apprenticeship and at least 15 years of full-time or full-time equivalent study.        22 points.

% J- }0 q' ^! j8 E9 w2. You have a university degree of two years or more at the bachelor’s level and at least 14 years of full-time or full-time equivalent study. 20
????????????????????