from time to time , we may elect to use foreign currency forward contracts to reduce the risk from exchange rate fluctuations on intercompany transactions and projected inventory purchases for our european and canadian subsidiaries .
in addition , we may elect to enter into foreign currency forward contracts to reduce the risk associated with foreign currency exchange rate fluctuations on pound sterling denominated balance sheet items .
we do not enter into derivative financial instruments for speculative or trading purposes .
based on the foreign currency forward contracts outstanding as of december 31 , 2011 , we receive u.s .
dollars in exchange for canadian dollars at a weighted average contractual forward foreign currency exchange rate of 1.03 cad per $ 1.00 , u.s .
dollars in exchange for euros at a weighted average contractual foreign currency exchange rate of 20ac0.77 per $ 1.00 and euros in exchange for pounds sterling at a weighted average contractual foreign currency exchange rate of a30.84 per 20ac1.00 .
as of december 31 , 2011 , the notional value of our outstanding foreign currency forward contracts for our canadian subsidiary was $ 51.1 million with contract maturities of 1 month or less , and the notional value of our outstanding foreign currency forward contracts for our european subsidiary was $ 50.0 million with contract maturities of 1 month .
as of december 31 , 2011 , the notional value of our outstanding foreign currency forward contract used to mitigate the foreign currency exchange rate fluctuations on pound sterling denominated balance sheet items was 20ac10.5 million , or $ 13.6 million , with a contract maturity of 1 month .
the foreign currency forward contracts are not designated as cash flow hedges , and accordingly , changes in their fair value are recorded in other expense , net on the consolidated statements of income .
the fair values of our foreign currency forward contracts were liabilities of $ 0.7 million and $ 0.6 million as of december 31 , 2011 and 2010 , respectively , and were included in accrued expenses on the consolidated balance sheet .
refer to note 10 to the consolidated financial statements for a discussion of the fair value measurements .
included in other expense , net were the following amounts related to changes in foreign currency exchange rates and derivative foreign currency forward contracts: .

year ended december 31 , ( in thousands )
year ended december 31 , 2011
year ended december 31 , 2010
2009
unrealized foreign currency exchange rate gains ( losses )
$ -4027 ( 4027 )
$ -1280 ( 1280 )
$ 5222
realized foreign currency exchange rate gains ( losses )
298
-2638 ( 2638 )
-261 ( 261 )
unrealized derivative losses
-31 ( 31 )
-809 ( 809 )
-1060 ( 1060 )
realized derivative gains ( losses )
1696
3549
-4412 ( 4412 )

we enter into foreign currency forward contracts with major financial institutions with investment grade credit ratings and are exposed to credit losses in the event of non-performance by these financial institutions .
this credit risk is generally limited to the unrealized gains in the foreign currency forward contracts .
however , we monitor the credit quality of these financial institutions and consider the risk of counterparty default to be minimal .
although we have entered into foreign currency forward contracts to minimize some of the impact of foreign currency exchange rate fluctuations on future cash flows , we cannot be assured that foreign currency exchange rate fluctuations will not have a material adverse impact on our financial condition and results of operations .
inflation inflationary factors such as increases in the cost of our product and overhead costs may adversely affect our operating results .
although we do not believe that inflation has had a material impact on our financial position or results of operations to date , a high rate of inflation in the future may have an adverse effect on our ability to maintain current levels of gross margin and selling , general and administrative expenses as a percentage of net revenues if the selling prices of our products do not increase with these increased costs. .

Question: as of december 312011 what was the percentage increase in the unrealized foreign currency exchange rate gains ( losses )
Answer: 215%

Question: what was the percent of the increase in the fair values of our foreign currency forward contracts liability from 2010 to 2011
Answer: 16.7%