This, however, is not unique to big data. Large volumes, variety, and the short-lived nature of data available on web pages make it difficult to accumulate and preserve historical big data; their preservation is hampered by changes in physical storage devices, IT platforms and software. This point deserves attention.
However, food price inflation increased from 0.7 percent in 2015 to 3.9 percent in 2016. Also, the reduction of 3.3 percent in fuel prices in 2016 was small compared to a 15.7 percent decrease in the prior year.