ˌoʊvɚ ðə jˈɪɹz, haʊˈɛvɚ, mˈɛni ɹᵻpˈoːɹts hɐvbɪn pɹədˈuːst wɪð kˌɑːntɹədˈɪktɪŋ ˈɛnɚdʒi bˈæləns ˈɛstᵻməts.
Over the years, however, many reports have been produced with contradicting energy balance estimates.