Using the following time series data, 
What is the four-quarter moving average for 2009?
Definitions:
Critical Thinkers
Individuals who actively and skillfully analyze, assess, and reconstruct their thinking, thereby enhancing the quality of their thoughts and decisions.
Reasonable Explanations
Logical or rational interpretations or accounts for phenomena, actions, or events based on evidence and reasoning.
Critical Thinkers
Individuals who actively and skillfully analyze, assess, and reconstruct their thinking, thereby making informed decisions.
Fewest Assumptions
A principle suggesting that the simplest explanation, requiring the least speculative assumptions, is often the most accurate.
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