Since 2009, Washington's GDP has

decreased

increased.

increased and decreased.

O remained the same.

Washington's GDP has increased

Answer: Increased

Explanation: In 2009 the gross domestic product of Washington was approximately $348.5 billion dollars. The years after 2009 has been such that there is an constant increase in the gross domestic product of Washington. Today the gross domestic product of Washington is positioned to be approximately $414.182 billion dollars. The growth in the gross domestic product of Washington co incides with the growth of the gross domestic product of the nation. Surprisingly the nation has also witnessed a growth in the population which plays an important role in the same.