Like the title says, what does the community think the weights of Lalafells are?

We know the height of the races... (credit: http://harmonywins.tumblr.com/)

Race 0 50 100

Roeg♂: 7'0.1" 7'3.4" 7'6.7"

Roeg♀: 6'3.6" 6'9.6" 7'3.7"

Elezen♂: 6'4.4" 6'7.5" 6'10.2"

Elezen♀: 6'0.2" 6'3.8" 6'6.8"

Highlander♂: 6'0.2" 6'3.8" 6'6.8"

Highlander♀: 5'6.2" 5'11" 6'1.8"

Midlander♂: 5'6.1" 5'8.9" 5'11.6"

Midlander♀: 5'2" 5'4.5" 5'7.1"

Miqo'te♂: 5'2.7" 5'5.4" 5'8.2"

Miqo'te♀: 4'10.9" 5'1.4" 5'3.8"

Lalafell♂: 2'10.2" 3'0.2" 3'2.2"

Lalafell♀: 2'10.2" 3'0.2" 3'2.2"

but what about their average weights ?