Ngokusho kwezibalo zakamuva ezivela enhlanganweni yocwaningo lweRubber Curbible (IRSG), ukusetshenziswa kwenjoloba emhlabeni jikelele ngonyaka we-2017 kuvunyelwe amathani ayi-15 Okusho ukuthi, ukusetshenziswa kwenjoloba yokwenziwa emhlabeni jikelele kukhule unyaka ngonyaka ngonyaka kusukela 2011.
Ngokwezibalo zikazwelonke, ukusetshenziswa kwenjoloba zokwenziwa okuphezulu kakhulu eChina, kufinyelela amathani ama-4 {.}, ukukhuphuka kwe-0 {. 5%. Ngaphandle kweleveli yonyaka yonyaka ngonyaka ka-2014, eminye iminyaka idlula izinga lonyaka nonyaka futhi ikhombise umkhuba wokukhula.
Ngemuva kweChina, i-United States, ukusetshenziswa kwenjoloba okwenziwe ngokwenza okungu-1 . amathani ayizigidi ezingama-874, phansi 2 {{{. 0%. Ngemuva konyaka wokugcina, kube nokwehla futhi.
Indawo yesithathu eJapan yayingamathani angama-875,
Ngaphezu kwalokho, ukusetshenziswa kwenjoloba zokwenziwa emazweni ase-Asia anjengeNdiya, iThailand kanye neMalaysia kuyanda unyaka nonyaka .