Most of these articles were published within the past 5 years, and the number of articles in this area is increasing every year.
mˈoʊst əv ðiːz ˈɑːɹɾɪkəlz wɜː pˈʌblɪʃt wɪðˌɪn ðə pˈæst fˈaɪv jˈɪɹz, ænd ðə nˈʌmbɚɹ ʌv ˈɑːɹɾɪkəlz ɪn ðɪs ˈɛɹiə ɪz ɪŋkɹˈiːsɪŋ ˈɛvɹi jˈɪɹ.