debt-related activities certain measures relating to our total debt were as follows: .

2019
2018
2017
Total debt (Millions of dollars)
$19,390
$21,496
$18,870
Short-term debt as a percentage of total debt
6.8%
12.1%
1.1%
Weighted average cost of total debt
2.9%
3.2%
3.3%
Total debt as a percentage of total capital (a)
45.6%
47.8%
57.5%

( a ) represents shareholders 2019 equity , net non-current deferred income tax liabilities , and debt .
the decrease in short-term debt as a percentage of total debt at september 30 , 2019 was primarily driven by the payment of certain short-term notes as well as the issuance of long-term notes in 2019 .
the increase in short-term debt as a percentage of total debt at september 30 , 2018 was primarily driven by the reclassification of certain notes from long-term to short-term .
additional disclosures regarding our debt instruments are provided in note 16 to the consolidated financial statements contained in item 8 .
financial statements and supplementary data .
cash and short-term investments at september 30 , 2019 , total worldwide cash and short-term investments were $ 620 million , including restricted cash , which was primarily held in jurisdictions outside of the united states .
financing facilities in may 2017 , we entered into a five-year senior unsecured revolving credit facility which provides borrowing of up to $ 2.25 billion .
this facility will expire in december 2022 .
we are able to issue up to $ 100 million in letters of credit under this new revolving credit facility and it also includes a provision that enables bd , subject to additional commitments made by the lenders , to access up to an additional $ 500 million in financing through the facility for a maximum aggregate commitment of $ 2.75 billion .
we use proceeds from this facility to fund general corporate needs .
borrowings outstanding under the revolving credit facility at september 30 , 2019 were $ 485 million .
the agreement for our revolving credit facility contained the following financial covenants .
we were in compliance with these covenants as of september 30 , 2019 .
2022 we are required to maintain an interest expense coverage ratio of not less than 4-to-1 as of the last day of each fiscal quarter .
2022 we are required to have a leverage coverage ratio of no more than : 25e6 6-to-1 from the closing date of the bard acquisition until and including the first fiscal quarter- end thereafter ; 25e6 5.75-to-1 for the subsequent four fiscal quarters thereafter ; 25e6 5.25-to-1 for the subsequent four fiscal quarters thereafter ; 25e6 4.5-to-1 for the subsequent four fiscal quarters thereafter ; 25e6 4-to-1 for the subsequent four fiscal quarters thereafter ; 25e6 3.75-to-1 thereafter .
we also have informal lines of credit outside the united states .
during the fourth quarter of 2019 , the company fully repaid its borrowings outstanding on a 364-day senior unsecured term loan facility that the company entered in september 2018 .
the company had no commercial paper borrowings outstanding as of september 30 , 2019 .
we may , from time to time , sell certain trade receivable assets to third parties as we manage working capital over the normal course of our business activities. .

Question: Analyse this data from a financial earnings document. in 2019 what was the percent of the financing structure that was based on the equity
Choices:
44.6
-4460
-44.6
0
-15.6
Correct choice index: 2