durante los últimos años

= over the past few years, over recent years

Ex. While there have been some praiseworthy improvements over the past few years, many biased headings persist which demean the very people who use the catalog.

Ex. Over recent years the number and frequency of firework displays (both public and private) has increased.

* * *

= over the past few years, over recent years

Ex: While there have been some praiseworthy improvements over the past few years, many biased headings persist which demean the very people who use the catalog.

Ex: Over recent years the number and frequency of firework displays (both public and private) has increased.