ISLAMABAD (Reuters) - Pakistans trade deficit fell to $1.71 billion in October from $1.78 billion in September, the Federal Bureau of Statistics said on Friday. But it was larger than the trade deficit in October last year, which was $1.25 billion. Exports fell to $1.89 billion in October, from $1.93 billion a year ago, according to the bureau. Imports totalled $3.60 billion in October, up from $3.19 in October last year. The trade deficit for the first four months of the 2011/12 fiscal year was $6.87 billion, compared with $5.23 billion in the same period a year earlier.