Matched context for penetration and shortage

The page lists matched contexts for penetration and shortage.

Share - penetration	Share - shortage	Phrase
4.11%	16.30%	fuel {penetration or shortage}
0.77%	18.47%	oil {penetration or shortage}
3.13%	4.77%	prevent {penetration or shortage} [perform operation]
1.81%	2.43%	have {penetration or shortage} [perform operation]
0.56%	4.84%	air {penetration or shortage}