item 1 . business cna financial corporation 2013 ( continued ) unpredictability in the law , insurance underwriting is expected to continue to be difficult in commercial lines , professional liability and other specialty coverages . the dodd-frank wall street reform and consumer protection act expands the federal presence in insurance oversight and may increase the regulatory requirements to which cna may be subject . the act 2019s requirements include streamlining the state-based regulation of reinsurance and nonadmitted insurance ( property or casualty insurance placed from insurers that are eligible to accept insurance , but are not licensed to write insurance in a particular state ) . the act also establishes a new federal insurance office within the u.s . department of the treasury with powers over all lines of insurance except health insurance , certain long term care insurance and crop insurance , to , among other things , monitor aspects of the insurance industry , identify issues in the regulation of insurers that could contribute to a systemic crisis in the insurance industry or the overall financial system , coordinate federal policy on international insurance matters and preempt state insurance measures under certain circumstances . the act calls for numerous studies and contemplates further regulation . the patient protection and affordable care act and the related amendments in the health care and education reconciliation act may increase cna 2019s operating costs and underwriting losses . this landmark legislation may lead to numerous changes in the health care industry that could create additional operating costs for cna , particularly with respect to workers 2019 compensation and long term care products . these costs might arise through the increased use of health care services by claimants or the increased complexities in health care bills that could require additional levels of review . in addition , due to the expected number of new participants in the health care system and the potential for additional malpractice claims , cna may experience increased underwriting risk in the lines of business that provide management and professional liability insurance to individuals and businesses engaged in the health care industry . the lines of business that provide professional liability insurance to attorneys , accountants and other professionals who advise clients regarding the health care reform legislation may also experience increased underwriting risk due to the complexity of the legislation . properties : the chicago location owned by ccc , a wholly owned subsidiary of cna , houses cna 2019s principal executive offices . cna owns or leases office space in various cities throughout the united states and in other countries . the following table sets forth certain information with respect to cna 2019s principal office locations : location ( square feet ) principal usage 333 s . wabash avenue 763322 principal executive offices of cna chicago , illinois 401 penn street 190677 property and casualty insurance offices reading , pennsylvania 2405 lucien way 116948 property and casualty insurance offices maitland , florida 40 wall street 114096 property and casualty insurance offices new york , new york 1100 ward avenue 104478 property and casualty insurance offices honolulu , hawaii 101 s . phillips avenue 83616 property and casualty insurance offices sioux falls , south dakota 600 n . pearl street 65752 property and casualty insurance offices dallas , texas 1249 s . river road 50366 property and casualty insurance offices cranbury , new jersey 4267 meridian parkway 46903 data center aurora , illinois 675 placentia avenue 46571 property and casualty insurance offices brea , california cna leases its office space described above except for the chicago , illinois building , the reading , pennsylvania building , and the aurora , illinois building , which are owned. .

Table:
location | size ( square feet ) | principal usage
333 s . wabash avenuechicago illinois | 763322 | principal executive offices of cna
401 penn streetreading pennsylvania | 190677 | property and casualty insurance offices
2405 lucien waymaitland florida | 116948 | property and casualty insurance offices
40 wall streetnew york new york | 114096 | property and casualty insurance offices
1100 ward avenuehonolulu hawaii | 104478 | property and casualty insurance offices
101 s . phillips avenuesioux falls south dakota | 83616 | property and casualty insurance offices
600 n . pearl streetdallas texas | 65752 | property and casualty insurance offices
1249 s . river roadcranbury new jersey | 50366 | property and casualty insurance offices
4267 meridian parkwayaurora illinois | 46903 | data center
675 placentia avenuebrea california | 46571 | property and casualty insurance offices
item 1 .
business cna financial corporation 2013 ( continued ) unpredictability in the law , insurance underwriting is expected to continue to be difficult in commercial lines , professional liability and other specialty coverages .
the dodd-frank wall street reform and consumer protection act expands the federal presence in insurance oversight and may increase the regulatory requirements to which cna may be subject .
the act 2019s requirements include streamlining the state-based regulation of reinsurance and nonadmitted insurance ( property or casualty insurance placed from insurers that are eligible to accept insurance , but are not licensed to write insurance in a particular state ) .
the act also establishes a new federal insurance office within the u.s .
department of the treasury with powers over all lines of insurance except health insurance , certain long term care insurance and crop insurance , to , among other things , monitor aspects of the insurance industry , identify issues in the regulation of insurers that could contribute to a systemic crisis in the insurance industry or the overall financial system , coordinate federal policy on international insurance matters and preempt state insurance measures under certain circumstances .
the act calls for numerous studies and contemplates further regulation .
the patient protection and affordable care act and the related amendments in the health care and education reconciliation act may increase cna 2019s operating costs and underwriting losses .
this landmark legislation may lead to numerous changes in the health care industry that could create additional operating costs for cna , particularly with respect to workers 2019 compensation and long term care products .
these costs might arise through the increased use of health care services by claimants or the increased complexities in health care bills that could require additional levels of review .
in addition , due to the expected number of new participants in the health care system and the potential for additional malpractice claims , cna may experience increased underwriting risk in the lines of business that provide management and professional liability insurance to individuals and businesses engaged in the health care industry .
the lines of business that provide professional liability insurance to attorneys , accountants and other professionals who advise clients regarding the health care reform legislation may also experience increased underwriting risk due to the complexity of the legislation .
properties : the chicago location owned by ccc , a wholly owned subsidiary of cna , houses cna 2019s principal executive offices .
cna owns or leases office space in various cities throughout the united states and in other countries .
the following table sets forth certain information with respect to cna 2019s principal office locations : location ( square feet ) principal usage 333 s .
wabash avenue 763322 principal executive offices of cna chicago , illinois 401 penn street 190677 property and casualty insurance offices reading , pennsylvania 2405 lucien way 116948 property and casualty insurance offices maitland , florida 40 wall street 114096 property and casualty insurance offices new york , new york 1100 ward avenue 104478 property and casualty insurance offices honolulu , hawaii 101 s .
phillips avenue 83616 property and casualty insurance offices sioux falls , south dakota 600 n .
pearl street 65752 property and casualty insurance offices dallas , texas 1249 s .
river road 50366 property and casualty insurance offices cranbury , new jersey 4267 meridian parkway 46903 data center aurora , illinois 675 placentia avenue 46571 property and casualty insurance offices brea , california cna leases its office space described above except for the chicago , illinois building , the reading , pennsylvania building , and the aurora , illinois building , which are owned. .

Question: what percent of the illinois properties relate to data centers?
Answer: 5.6%
Calculation: add(46903, 763322), divide(46903, #0)