the goldman sachs group , inc .
and subsidiaries management 2019s discussion and analysis operating expenses our operating expenses are primarily influenced by compensation , headcount and levels of business activity .
compensation and benefits includes salaries , discretionary compensation , amortization of equity awards and other items such as benefits .
discretionary compensation is significantly impacted by , among other factors , the level of net revenues , overall financial performance , prevailing labor markets , business mix , the structure of our share- based compensation programs and the external environment .
in addition , see 201cuse of estimates 201d for additional information about expenses that may arise from litigation and regulatory proceedings .
the table below presents our operating expenses and total staff ( which includes employees , consultants and temporary staff ) . .

Year Ended December
<i>$ in millions</i>
2015
2014
2013
Compensation and benefits
$12,678
$12,691
$12,613
Brokerage, clearing, exchange anddistribution fees
2,576
2,501
2,341
Market development
557
549
541
Communications and technology
806
779
776
Depreciation and amortization
991
1,337
1,322
Occupancy
772
827
839
Professional fees
963
902
930
Insurance reserves<sup>1</sup>
—
—
176
Other expenses<sup>2</sup>
5,699
2,585
2,931
Total non-compensation expenses
12,364
9,480
9,856
Total operating expenses
$25,042
$22,171
$22,469
Total staff at period-end
36,800
34,000
32,900

1 .
consists of changes in reserves related to our americas reinsurance business , including interest credited to policyholder account balances , and expenses related to property catastrophe reinsurance claims .
in april 2013 , we completed the sale of a majority stake in our americas reinsurance business and no longer consolidate this business .
2 .
includes provisions of $ 3.37 billion recorded during 2015 for the agreement in principle with the rmbs working group .
see note 27 to the consolidated financial statements for further information about this agreement in principle .
2015 versus 2014 .
operating expenses on the consolidated statements of earnings were $ 25.04 billion for 2015 , 13% ( 13 % ) higher than 2014 .
compensation and benefits expenses on the consolidated statements of earnings were $ 12.68 billion for 2015 , essentially unchanged compared with 2014 .
the ratio of compensation and benefits to net revenues for 2015 was 37.5% ( 37.5 % ) compared with 36.8% ( 36.8 % ) for 2014 .
total staff increased 8% ( 8 % ) during 2015 , primarily due to activity levels in certain businesses and continued investment in regulatory compliance .
non-compensation expenses on the consolidated statements of earnings were $ 12.36 billion for 2015 , 30% ( 30 % ) higher than 2014 , due to significantly higher net provisions for mortgage-related litigation and regulatory matters , which are included in other expenses .
this increase was partially offset by lower depreciation and amortization expenses , primarily reflecting lower impairment charges related to consolidated investments , and a reduction in expenses related to the sale of metro in the fourth quarter of 2014 .
net provisions for litigation and regulatory proceedings for 2015 were $ 4.01 billion compared with $ 754 million for 2014 ( both primarily comprised of net provisions for mortgage-related matters ) .
2015 included a $ 148 million charitable contribution to goldman sachs gives , our donor-advised fund .
compensation was reduced to fund this charitable contribution to goldman sachs gives .
the firm asks its participating managing directors to make recommendations regarding potential charitable recipients for this contribution .
2014 versus 2013 .
operating expenses on the consolidated statements of earnings were $ 22.17 billion for 2014 , essentially unchanged compared with 2013 .
compensation and benefits expenses on the consolidated statements of earnings were $ 12.69 billion for 2014 , essentially unchanged compared with 2013 .
the ratio of compensation and benefits to net revenues for 2014 was 36.8% ( 36.8 % ) compared with 36.9% ( 36.9 % ) for 2013 .
total staff increased 3% ( 3 % ) during 2014 .
non-compensation expenses on the consolidated statements of earnings were $ 9.48 billion for 2014 , 4% ( 4 % ) lower than 2013 .
the decrease compared with 2013 included a decrease in other expenses , due to lower net provisions for litigation and regulatory proceedings and lower operating expenses related to consolidated investments , as well as a decline in insurance reserves , reflecting the sale of our americas reinsurance business in 2013 .
these decreases were partially offset by an increase in brokerage , clearing , exchange and distribution fees .
net provisions for litigation and regulatory proceedings for 2014 were $ 754 million compared with $ 962 million for 2013 ( both primarily comprised of net provisions for mortgage-related matters ) .
2014 included a charitable contribution of $ 137 million to goldman sachs gives , our donor-advised fund .
compensation was reduced to fund this charitable contribution to goldman sachs gives .
the firm asks its participating managing directors to make recommendations regarding potential charitable recipients for this contribution .
58 goldman sachs 2015 form 10-k .

Question: Analyse this data from a financial earnings document. what portion of the total operating expense is related to compensation and benefits in 2015?
Choices:
506269.46729
0.50627
12678
0.38535
1
Correct choice index: 1