Please answer the given financial question based on the context.
Context: federal realty investment trust schedule iii summary of real estate and accumulated depreciation 2014continued three years ended december 31 , 2005 reconciliation of accumulated depreciation and amortization .
|balance december 31 2002|$ 450697000|
|additions during period 2014depreciation and amortization expense|68125000|
|deductions during period 2014disposition and retirements of property|-4645000 ( 4645000 )|
|balance december 31 2003|514177000|
|additions during period 2014depreciation and amortization expense|82551000|
|deductions during period 2014disposition and retirements of property|-1390000 ( 1390000 )|
|balance december 31 2004|595338000|
|additions during period 2014depreciation and amortization expense|83656000|
|deductions during period 2014disposition and retirements of property|-15244000 ( 15244000 )|
|balance december 31 2005|$ 663750000|
.
Question: what is the increase observed in the balance at the end of the year during 2005 and 2004?


Answer: The answer is:0.11491