Using the following time series data, 
What is the four-quarter moving average for the period ending with the second quarter in 2010?
Definitions:
Spiracle
An external respiratory opening found in some animals, including insects and some amphibians, used for breathing.
Partial Pressure
The pressure exerted by a single component of a mixture of gases, proportionate to its percentage in the mixture.
Pulmonary Capillaries
Tiny blood vessels in the lungs where gas exchange between the air and blood occurs.
Vocal Cords
Bands of muscle tissue located in the larynx, which vibrate to produce sound when air is expelled from the lungs, aiding in speech and vocalization.
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