In other words, it seems that the large asset size in banking industry is not followed by high contribution to the economy. This is also because there is a substantial portion of banking assets that are not productive from macroeconomic point of view. Those are ones in the forms of monetary instruments (Fasbi, TD, SBI) and government debts (SBN).
The size of banks placement in monetary instruments and government debt securities are Rp 415.48 trillion and Rp 245.97 trillion, respectively, as of end of October 2011. In total, they constitute 31.4% of the total credit of Rp 2,106.2 trillion. About 60% of Bank Indonesia monetary instruments are currently held by the 10 biggest banks.